The following discussion and analysis of our financial condition and results of
operations should be read in conjunction with our financial statements and
related notes appearing elsewhere in this Annual Report on Form 10-K. The
following discussion focuses on our 2020 and 2019 financial condition and
results of operations, including comparisons of the years ended December 31,
2020 and 2019. For discussion and analysis related to our financial condition
and results of operations for fiscal year 2018, including comparisons of the
years ended December 31, 2019 and 2018, refer to Part II, Item 7. Management's
Discussion and Analysis of Financial Condition and Results of Operations in our
Annual Report on Form 10-K for fiscal year 2019, which was filed with the
Securities and Exchange Commission on February 21, 2020.
In addition to historical financial information, the following discussion
contains forward-looking statements that reflect our plans, estimates and
beliefs. Our actual results could differ materially from those contained in or
implied by any forward-looking statements. Factors that could cause or
contribute to these differences include those under "Risk Factors" included in
Part I, Item 1A or in other parts of this Annual Report on Form 10-K.
Overview
We provide a broad portfolio of cybersecurity products, SaaS solutions and
services that allow organizations to prepare for, prevent, respond to,
investigate and remediate cyber attacks. Our product, subscription and support
solutions include security controls for network, email, endpoint and cloud
security, forensics solutions, our extended detection and response (XDR) SaaS
solution, our security validation SaaS solution, threat intelligence and
analytics solutions, our Helix security operations platform, and managed
services. Our products, SaaS solutions and managed services are complemented by
our technology-enabled Mandiant consulting services, including incident
response, security assessment and transformation services, training and
education services and expertise on demand.
In March 2020, the World Health Organization declared the novel coronavirus
disease (COVID-19) a global pandemic. We operate in geographic locations that
have been impacted by COVID-19. The pandemic has impacted, and could further
impact, our operations and the operations of our customers as a result of
quarantines, various local, state and federal government public health orders,
facility and business closures, and travel and logistics restrictions. While we
instituted a global work-from-home policy and restricted employee travel to
essential, business-critical trips toward the end of the first quarter of 2020,
we were able to maintain strong customer relationships and deliver our
technology-enabled managed and professional services to customers without
interruption. As a result, we did not incur significant disruptions to our
operations during the year ended December 31, 2020.
We anticipate governments and businesses may take additional actions or extend
existing actions to respond to the risks of the COVID-19 pandemic. We continue
to actively monitor the impacts and potential impacts of the COVID-19 pandemic
in all aspects of our business. Although we are unable to predict the impact of
the COVID-19 pandemic on our business, results of operations, liquidity or
capital resources at this time, we expect we may be negatively affected if the
pandemic and related public health measures result in substantial manufacturing
or supply chain problems, disruptions in local and global economies, volatility
in the global financial markets, overall reductions in demand, delays in
payment, restrictions on the shipment of our products, or other ramifications
from the COVID-19 pandemic. For a further discussion of the uncertainties and
business risks associated with the COVID-19 pandemic, see the section entitled
"Risk Factors" in Part I, Item 1A of this Annual Report on Form 10-K.
On April 23, 2020, the Board of Directors of the Company approved a
restructuring plan to streamline the Company's operations to more closely align
expenses to the Company's projected revenue, position the Company for improved
operating performance and allow the Company to increase investment in strategic
growth areas of the business. This April 2020 restructuring plan resulted in the
reduction of 6% of the Company's workforce as well as the exiting and downsizing
of certain real estate facilities and the impairment of certain assets and
consisted of severance, other one-time termination benefits and other
restructuring related costs. These charges are primarily cash-based and have
been recognized in the second quarter of 2020. This restructuring reduced total
non-GAAP operating expenses by more than $26 million in 2020 compared to 2019.
In August 2020 and in December 2020, we implemented additional restructuring
plans, predominantly related to facilities and obsolete assets in order to
position the Company for improved operating performance. These August and
December 2020 restructuring plans resulted in the reduction of approximately 1%
of the Company's workforce. The actions associated with the April 2020
restructuring plan were completed by the end of the second quarter of 2020 and
the actions associated with the August 2020 and December 2020 restructuring
plans were completed by the end of the third and fourth quarters of 2020,
respectively.
Our Business Model
We generate revenue from sales of FireEye products, our Mandiant SaaS and
managed services and our Mandiant professional services. We disaggregate our
revenue into two main categories: (i) product, subscription, and support and
(ii) professional services. For the years ended December 31, 2020, 2019 and
2018, product, subscription and support revenue as a percentage of total revenue
was 77%, 80% and 83%, respectively. Revenue from professional services was 23%,
20% and 17% of total revenue for December 31, 2020, 2019 and 2018, respectively.
We further disaggregate revenue in the Product, subscription and support
category into the Product and related subscription and support sub-category and
Platform, cloud subscription and managed services sub-category.

Product, subscription and support


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Within the product, subscription and support category, we provide supplemental
data to distinguish between sales of our security control product solutions that
are deployed on-premise (or in hybrid on-premise/private cloud configurations),
and sales of our platform, cloud-based subscriptions and managed detection and
response services. Security control product solutions deployed on-premise (or in
hybrid on-premise/private cloud configurations) are included in the product and
related subscription and support sub-category. Our security validation, Helix
security operations platform, cloud-based security control products and cloud
visibility solutions, detection-on-demand, threat intelligence subscriptions and
detection and response managed services are included in the platform, cloud
subscription and managed services sub-category. For the years ended December 31,
2020, 2019 and 2018, product and related subscription and support revenue as a
percentage of total revenue was 45%, 53% and 60%, respectively. Revenue from
platform, cloud subscription and managed services as a percent of total revenue
was 32%, 27% and 23% for the years ended December 31, 2020, 2019 and 2018,
respectively.
Sales of our products, SaaS solutions and managed services initially increase
our deferred revenue. Deferred revenue from our product, subscription and
support sales totaled $845.3 million and $878.2 million as of December 31, 2020
and 2019, respectively. The decrease in deferred revenue from our product,
subscription and support sales was due primarily to a decrease in sales of our
appliance hardware and attached DTI cloud and support subscriptions compared
with prior periods.
  Product and related subscription and support sub-category
Revenue in the product and related subscription and support sub-category
consists primarily of revenue from sales of our network, email and endpoint
security solutions that are deployed on the customer's premise, either as an
integrated security appliance or in distributed hybrid on-premise/private cloud
configurations. Both deployment options are available on pre-configured
appliance hardware or as virtual (software) sensors and include our detection
and MVX analysis technologies, our DTI cloud updates and support services.
Integrated and distributed solutions deployed on virtual sensors are offered as
an "all inclusive" subscription that includes our detection and MVX analysis
technologies, DTI cloud updates, and support services. There is no limit to the
number of virtual sensors a customer can deploy, and capacity can be distributed
throughout the customer's IT environment as needed. Subscription revenue is
recognized ratably over the contractual term, typically one to three years.
Customers purchasing our network and email security subscriptions have the
option of purchasing our appliance hardware at additional cost, but are not
required to do so.
Our network and email security solutions can also be deployed on pre-configured
appliance hardware purpose-built for our solutions. Integrated security
appliance hardware is delivered with our detection and MVX analysis technologies
pre-installed and require subscriptions to our DTI cloud updates and support
services, which are priced as a percentage of the appliance price per year.
Subscription terms are typically one to three years and include a material right
of renewal. Historically, the majority of on-premise network and email security
customers have purchased our security control products under this pricing model.
Since our network, email and endpoint security solutions require regular DTI
cloud and software updates to maintain detection efficacy, physical appliances
and virtual sensors, together with the related DTI cloud and support
subscriptions are considered a single performance obligation, whether deployed
as an integrated appliance, virtual sensor or in a distributed hybrid
on-premise/cloud configuration.
As a single performance obligation, revenue from sales of appliance hardware and
related subscriptions is recognized ratably over the contractual term, typically
one to three years. Such contracts typically contain a material right of renewal
option that allows the customer to renew their DTI cloud and support
subscriptions for an additional term at a discount to the original purchase
price of the single performance obligation. For contracts that contain a
material right of renewal option, the value of the performance obligation
allocated to the renewal is recognized ratably over the period between the end
of the initial contractual term and end of the estimated useful life of the
related appliance and license. A small portion of our revenue in the product and
related subscription and support revenue is derived from the sale of our network
forensics appliances and our central management system appliances. These
appliances are not dependent on regular security intelligence updates, and
revenue from these appliances is therefore recognized when ownership is
transferred to our customer, typically at shipment.
  Platform, cloud subscriptions and managed services sub-category
Revenue in the platform, cloud subscription and managed services sub-category
consists primarily of revenue from sales of our cloud-based network, email and
endpoint security, our detection-on-demand service, our security validation
platform, our threat analytics platform (either standalone or within the Helix
security platform), our Helix security operations platform, our standalone
threat intelligence subscriptions and our managed services. The majority of
revenue from our platform, cloud subscription and managed services category is
recognized ratably over the contractual term, generally one to three years. A
small portion of our revenue in the platform, cloud subscription and managed
services category is derived from term licenses of our security validation
platform, and revenue from these sales is recognized when the license key is
issued to the customer.
Professional Services
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In addition to our product, subscription and support solutions, we offer
professional services, including incident response and other strategic security
consulting services, to our customers who have experienced a cybersecurity
breach or desire assistance assessing and increasing the resilience of their IT
environments to cyber attack. The majority our professional services are offered
on a time and materials basis, through a fixed fee arrangement, or on a retainer
basis. Revenue from professional services is recognized as services are
delivered. Revenue from our Expertise-on-Demand subscription and some pre-paid
professional services is deferred, and revenue is recognized when services are
delivered. Deferred revenue from professional services as of December 31, 2020
and 2019 was $111.2 million and $96.4 million, respectively.
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Key Business Metrics
We monitor our key business metrics set forth below to help us evaluate growth
trends, establish budgets, measure the effectiveness of our sales and marketing
efforts, and assess operational efficiencies. We discuss revenue and gross
margin below under "Components of Operating Results." Deferred revenue,
annualized recurring revenue, billings (a non-GAAP metric), net cash flow
provided by (used in) operating activities, and free cash flow (a non-GAAP
metric) are discussed immediately below the following table (in thousands,
except percentages).
                                                    Year Ended or as of December 31,
                                                  2020             2019            2018

Product, subscription and support revenue $ 724,945 $ 708,836

   $ 687,382
Professional services revenue                    215,639         180,316         143,568
Total revenue                                $   940,584       $ 889,152       $ 830,950
Year-over-year percentage increase                     6  %            7  %            7  %
Gross margin percentage                               64  %           65  % 

67 %

Deferred revenue (current and non-current) $ 956,457 $ 974,567

    $ 934,828
Annualized recurring revenue                 $   637,610       $ 591,923       $ 553,918
Billings (non-GAAP)                          $   919,810       $ 926,141       $ 855,678
Net cash provided by operating activities    $    94,895       $  67,537       $  17,381
Free cash flow (non-GAAP)                    $    68,569       $  21,932       $  10,125


Deferred revenue. Our deferred revenue consists of amounts that we have the
right to invoice but have not yet been recognized into revenue as of the end of
the respective period. We monitor our deferred revenue balance because it
represents a significant portion of revenue to be recognized in future periods.
The majority of our deferred revenue consists of the unamortized balance of
deferred revenue from previously invoiced sales of our security appliance
hardware and non-cancelable contracts for subscriptions to our network, email
and endpoint security solutions, Helix and security validation platforms, threat
intelligence, managed detection and response services and support and
maintenance contracts. Invoiced amounts for such contracts can be for multiple
years, and we classify our deferred revenue as current or non-current depending
on when we expect to recognize the related revenue. If the deferred revenue is
expected to be recognized within 12 months it is classified as current,
otherwise, the deferred revenue is classified as non-current. A table for our
deferred revenue is provided below (in thousands):
                                           As of December 31,
                                   2020           2019           2018

Deferred revenue, current $ 613,709 $ 603,944 $ 556,815 Deferred revenue, non-current 342,748 370,623 378,013 Total deferred revenue $ 956,457 $ 974,567 $ 934,828




Annualized recurring revenue. Annualized recurring revenue ("ARR") is an
operating metric and represents the annualized revenue run-rate of active term
licenses, subscriptions, and support contracts at the end of a reporting period.
ARR should be viewed independently of revenue and deferred revenue as ARR is an
operating metric and is not intended to be combined with or replace these items.
ARR is not a forecast of future revenue, which can be impacted by contract start
and end dates and renewal rates, and does not include revenue from appliance
hardware, perpetual software, consumption-based contracts or professional
services except for service level agreement payments. We consider ARR a useful
measure of the value of the recurring components of our business because it
reflects both our ability to attract new customers for our solutions and our
success at retaining and expanding our relationships with existing customers.
Further, ARR is not impacted by variations in contract length, enabling more
meaningful comparison to prior periods as we align our invoicing practices to
growing customer preference for annual billing on multi-year contracts. We
started including ARR from service level agreement payments in our ARR
calculation starting in 2020 once they became material. ARR calculations for
2019 and 2018 have been updated for comparative purposes.
We disaggregate ARR by the same sub-categories we use for disaggregation of
billings and revenue in the table below (in thousands):
                                                               As of 

December 31,


                                                       2020           2019  

2018


Product and related subscription and support        $ 297,530      $ 307,718      $ 340,480
Platform, cloud subscription and managed services     340,080        284,205        213,438
Total annualized recurring revenue                  $ 637,610      $ 591,923      $ 553,918


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Billings. Billings are a non-GAAP financial metric that we define as revenue
recognized in accordance with generally accepted accounting principles ("GAAP")
plus the change in deferred revenue from the beginning to the end of the period,
excluding deferred revenue assumed through acquisitions. We monitor billings as
a supplement to revenue (the corresponding GAAP measure), because billings
impact our deferred revenue, which is an important indicator of the health and
visibility of trends in our business and represents a significant percentage of
future revenue. However, it is important to note that other companies, including
companies in our industry, may not use billings, may define billings
differently, may have different billing frequencies, or may use other financial
measures to evaluate their performance, all of which could reduce the usefulness
of billings as a comparative measure. Additionally, the calculated billings
metric represents the total contract value we have the right to invoice, which
includes multi-year subscriptions to our solutions. Calculated billings are
impacted by changes in average contract length, thereby reducing the usefulness
of comparisons to prior periods.
A reconciliation of billings to revenue, the most directly comparable financial
measure calculated and presented in accordance with GAAP, is provided below (in
thousands):
                                                                Year Ended December 31,
                                                          2020           2019           2018
 Revenue                                               $ 940,584      $ 889,152      $ 830,950
 Add: Deferred revenue, end of period                    956,457        

974,567 934,828


 Less: Deferred revenue, beginning of period            (974,567)      

(934,828) (910,100)


 Less: Deferred revenue assumed through acquisitions      (2,664)        (2,750)             -
 Billings (non-GAAP)                                   $ 919,810      $ 926,141      $ 855,678

We have provided disaggregation of billings below (in thousands):


                                                               Year Ended 

December 31,


                                                         2020           2019           2018

Product and related subscription and support $ 358,429 $ 434,533 $ 451,973

Platform, cloud subscription and managed services 330,965 282,238 243,903 Product, subscription and support

                       689,394        716,771        695,876
Professional services                                   230,416        209,370        159,802
Billings (non-GAAP)                                   $ 919,810      $ 926,141      $ 855,678


Net cash provided by operating activities. We monitor net cash provided by
operating activities as a measure of our overall business performance. Our net
cash provided by operating activities performance is driven in large part by
sales of our products and from up-front payments for both subscriptions and
support and maintenance services. Monitoring net cash provided by operating
activities enables us to analyze our financial performance without the non-cash
effects of certain items, such as depreciation, amortization and stock-based
compensation costs, thereby allowing us to better understand and manage the cash
needs of our business.
Free cash flow. Free cash flow is a non-GAAP financial measure we define as net
cash provided by operating activities, the most directly comparable GAAP
financial measure, less purchases of property and equipment and demonstration
units. We consider free cash flow to be a liquidity measure that provides useful
information to management and investors about the amount of cash generated by
our business that, after the purchases of property and equipment and
demonstration units, can be used by us for strategic opportunities, including
investing in our business, making strategic acquisitions and strengthening our
balance sheet. However, it is important to note that other companies, including
companies in our industry, may not use free cash flow, may calculate free cash
flow differently, or may use other financial measures to evaluate their
performance, all of which could reduce the usefulness of free cash flow as a
comparative measure. A reconciliation of free cash flow to cash flow provided by
operating activities is provided below (in thousands):
                                                                           

Year Ended December 31,


                                                                 2020               2019                2018
Cash flow provided by operating activities                   $  94,895          $   67,537          $  17,381
Add: deemed repayment of convertible senior notes
attributable to accreted debt discount                               -                   -          $  43,575

Less: purchase of property and equipment and demonstration units

                                                          (26,326)            (45,605)           (50,831)
Free cash flow (non-GAAP)                                    $  68,569          $   21,932          $  10,125
Net cash used in investing activities                        $ (72,158)         $ (169,036)         $ (48,517)
Net cash provided by financing activities                    $ 319,114          $   26,273          $ 260,074



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Factors Affecting our Performance
Market Adoption. We rely on market education to raise awareness of today's cyber
attacks and articulate the need for our products, solutions and services. Our
prospective customers often do not have a specific portion of their IT budgets
allocated for our advanced security solutions. Additionally, the markets for
security validation software such as our Mandiant security validation platform
(formerly Verodin Security Instrumentation Platform), security operations
platforms such as FireEye Helix, and our Mandiant Defense extended detection and
response solution (formerly Respond Analyst) are in the early stages of
development.
We invest heavily in sales and marketing efforts to increase market awareness,
educate prospective customers and drive adoption of our products, solutions and
services. This market education is critical to creating new IT budget dollars or
allocating more of existing IT budget dollars to advanced threat protection,
security validation, security operations management solutions, and extended
detection and response. The degree to which prospective customers recognize the
mission critical need for our solutions will drive our ability to acquire new
customers and increase renewals and follow-on sales opportunities, which, in
turn, will affect our future financial performance.
Sales Productivity. Our sales organization consists of in-house sales teams who
work in collaboration with external channel partners to identify new sales
prospects, sell additional products, subscriptions and services, and provide
post-sale support. Our direct sales teams are organized by territory to target
large enterprise and government customers who typically have sales cycles that
can last several months or more. We have also expanded our inside sales teams to
work with channel partners to expand our customer base of small and medium
enterprises, or SMEs, as well as manage renewals of subscription and support
contracts.
Newly hired sales and marketing employees typically require several months to
establish prospect relationships and achieve full sales productivity. In
addition, although we believe our investments in market education have increased
awareness of us and our solutions globally, sales teams in certain international
markets may face local markets with limited awareness of us and our solutions,
or have specific requirements that are not available with our solutions. These
factors will influence the timing and overall levels of sales productivity,
impacting the rate at which we will be able to convert prospects to sales and
drive revenue growth.
Customer Acquisition and Retention. Since we expect that our existing customers
are likely to expand their deployments and purchase additional solutions from us
over time, we believe new customer acquisition and retention of existing
customers is important to expanding the value of our installed base, which we
monitor through our key business metrics, including annualized recurring
revenue. We believe our ability to maintain strong customer retention and drive
new customer acquisition will have a material impact on future sales of our
security solutions and services and therefore our future financial performance.
Follow-On Sales. To grow our revenue, it is important that our customers make
additional purchases of our products, subscriptions and services. After the
initial sale to a new customer, we focus on expanding our relationship with the
customer to sell additional products, subscriptions and services. Sales to our
existing customer base can take the form of incremental sales of our solutions,
managed services, and professional services either to expand their deployment of
our technologies, to extend their internal security resources with our managed
and professional security services, or continuously measure the effectiveness of
their security controls. Our opportunity to expand our customer relationships
through follow-on sales will increase as we add new customers, broaden our
security solutions portfolio with additional subscriptions and services and
enhance the functionality of our existing solutions. Follow-on sales lead to
increased revenue over the lifecycle of a customer relationship and can
significantly increase the return on our sales and marketing investments. With
many of our large enterprise and government customers, we have realized
follow-on sales that were multiples of the value of their initial purchases.
Components of Operating Results
Revenue
We generate revenue from the sales of our products, subscriptions and services.
Revenue is recognized when a contract has been entered into with a customer, the
performance obligation(s) is (are) identified, the transaction price is
determined and has been allocated to the performance obligation(s) and only then
for each performance obligation after we have satisfied that performance
obligation.
•Product, subscription and support revenue. Our product, subscription and
support revenue is generated from sales of our network, email, and endpoint
security solutions deployed on the customer's premise (or in a hybrid
on-premise/private cloud deployment), as well as our cloud-based security
solutions, threat intelligence subscriptions, security validation and Helix
security platforms, and managed detection and response services.
We combine our virtual sensors and physical appliances and software licenses
with mandatory subscriptions to our DTI cloud updates and support services as a
single performance obligation. As a result, we recognize revenue for this single
performance obligation ratably over the contractual term. Contracts containing
this single performance obligation typically contain a material right of renewal
option. For contracts that contain a material right of renewal option, the
allocated value of the performance obligation is recognized ratably over the
period between the end of the initial contractual term and the end of the
estimated useful life of the related appliance and license. Significant judgment
is required in estimating the useful life of our intelligence dependent
appliances and assessing the material rights associated with such products.
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Revenue from our security validation and platform solutions, subscriptions to
our cloud-based security and intelligence solutions, and our managed detection
and response services is recognized ratably over the contractual term, typically
one to three years.
•Professional services revenue. Professional services, which includes incident
response, security assessments, and other strategic security consulting
services, are offered on a time-and-material basis, through a fixed fee
arrangement, or on a retainer basis. We recognize the associated revenue as the
services are delivered. Some professional services and our Expertise-on-Demand
subscription are prepaid, and revenue is deferred until services are delivered.
In the fourth quarter of 2020, we experienced an attack from a highly
sophisticated threat actor that targeted and accessed certain Red Team
assessment tools that we use to test our customers' security. This security
incident did not have a material impact to our revenues in the fourth quarter or
for the year ended December 31, 2020. In addition, we do not expect the incident
to materially impact our revenues going forward.
Cost of Revenue
Our total cost of revenue consists of cost of product, subscription and support
revenue and cost of professional services revenue.
•Cost of product, subscription and support revenue. Cost of product,
subscription and support revenue primarily consists of costs paid to our
third-party contract manufacturers for our appliances, other costs in our
manufacturing operations department, personnel costs associated with maintaining
our threat intelligence, managed detection and response services, and global
customer support operations, and hosting costs paid to third party cloud
platform providers. Personnel costs associated with our manufacturing operations
department, our threat intelligence, our managed detection and response services
and our global customer support organization consist of salaries, benefits,
bonuses and stock-based compensation. Overhead costs consist of certain
facilities, depreciation and information technology costs. Our cost of product,
subscription and support revenue also includes product testing costs, shipping
costs and allocated overhead costs. If revenue from sales of product,
subscriptions and support declines, the cost of product, subscription and
support revenue may increase as a percentage of product, subscription and
support revenue due to the fixed nature of a portion of these costs.
Additionally, our appliance related cost of goods sold is capitalized and
amortized on a systematic basis that is consistent with the pattern of transfer
to which the asset relates.
•Cost of professional services revenue. Cost of professional services revenue
primarily consists of personnel costs for our services organization and
allocated overhead costs. If sales of our professional services decline or we
are unable to maintain our chargeability rates, our cost of professional
services revenue may increase as a percentage of professional services revenue.
Gross Margin
Gross margin, or gross profit as a percentage of revenue, has been and will
continue to be affected by a variety of factors, including our average selling
prices, the mix between products, subscription and support and services sold,
the mix of revenue among products, subscriptions and services and manufacturing
costs. We expect our gross margins to fluctuate slightly over time depending on
these factors.
Operating Expenses
Our operating expenses consist of research and development, sales and marketing
and general and administrative expenses. Personnel costs are the most
significant component of operating expenses and consist of salaries, benefits,
bonuses, stock-based compensation and, with regard to sales and marketing
expense, sales commissions. Operating expenses also include allocated overhead
costs consisting of certain facilities, depreciation and information technology
costs.
In the fourth quarter of 2020, we experienced an attack from a highly
sophisticated threat actor that targeted and accessed certain Red Team
assessment tools that we use to test our customers' security. This security
incident did not have a material impact to our operating expenses in the fourth
quarter or for the year ended December 31, 2020. In addition, we do not expect
the incident to materially impact our operating expenses in future periods.
•Research and development. Research and development expense consists primarily
of personnel costs and allocated overhead. Research and development expense also
includes prototype related expenses. We expect research and development expense
to increase in terms of absolute dollars and remain relatively flat or decrease
slightly as a percentage of total revenue.
•Sales and marketing. Sales and marketing expense consists primarily of
personnel costs, incentive commission costs and allocated overhead. Commission
costs are capitalized and amortized based on the useful life amortization
period, taking into consideration the pattern of transfer to which the asset
relates and the expected renewal periods during which renewal commissions are
not commensurate with the initial commissions paid. When initial commissions are
higher than (not-commensurate with) renewal commissions, we recognize the
incremental portion of initial commissions over an estimated renewal period. The
commensurate portion will be recognized over the same period as the initial
revenue arrangement to which it relates.
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Sales and marketing expense also includes costs for market development programs,
promotional and other marketing activities, travel, depreciation of
proof-of-concept evaluation units and outside consulting costs. These costs are
recognized as incurred. We expect sales and marketing expense to increase in
absolute dollars and remain relatively flat or decrease slightly as a percentage
of total revenue.
•General and administrative. General and administrative expense consists of
personnel costs, professional service costs and allocated overhead. General and
administrative personnel include our executive, finance, human resources,
facilities and legal organizations. Professional service costs consist primarily
of legal, auditing, accounting and other consulting costs. We expect general and
administrative expense to stay relatively flat in terms of absolute dollars and
remain relatively flat or decrease slightly as a percentage of total revenue.
•Restructuring Charges. In April 2020, August 2020 and December 2020, we
implemented restructuring plans designed to align our resources with the
strategic initiatives of the business. These restructuring plans resulted in a
reduction of 7% of our total workforce as well as the exiting and downsizing of
certain real estate facilities and the impairment of certain assets. The
expenses incurred primarily consisted of employee severance charges and other
termination benefits, as well as real estate and related fixed asset charges for
the consolidation or exiting of certain leased facilities.
Interest Income
Interest income consists of interest earned on our cash and cash equivalent and
investment balances. We have historically invested our cash in money-market
funds and other short-term, high quality securities. We expect interest income
to vary each reporting period depending on our average cash and cash equivalent
and investment balances during the respective reporting periods, types and mix
of investments and market interest rates.
Interest Expense
Interest expense consists primarily of interest at the stated rate (coupon) and
amortization of discounts and issuance costs relating to our convertible notes.
We expect interest expense to decrease slightly as a result of the repurchase of
Series A Notes in June of 2020.
Other Income (Expense), Net
Other income (expense), net includes gains or losses on the disposal of fixed
assets, gains or losses from our equity-method investment, gains or losses on
the extinguishment of convertible notes, foreign currency re-measurement gains
and losses and foreign currency transaction gains and losses. We expect other
income (expense), net to fluctuate primarily as a result of foreign exchange
rate movements.
Provision for (Benefit from) Income Taxes
Provision for income taxes relates primarily to income taxes payable in foreign
jurisdictions where we conduct business, withholding taxes, and state income
taxes in the United States. The provision is offset by tax benefits primarily
related to the reversal of valuation allowances previously established against
our deferred tax assets. Should the tax benefits exceed the provision, then a
net tax benefit from income taxes is reflected for the period. Income in certain
countries may be taxed at statutory tax rates that are lower than the U.S.
statutory tax rate. As a result, our overall effective tax rate over the
long-term may be lower than the U.S. federal statutory tax rate due to net
income being subject to foreign income tax rates that are lower than the U.S.
federal statutory rate.

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Results of Operations
The following tables summarize our results of operations for the periods
presented and as a percentage of our total revenue for those periods. The
period-to-period comparison of results is not necessarily indicative of results
for future periods.
                                                      Year Ended December 31,
                                                2020            2019            2018
                                                           (In thousands)
        Revenue:

Product, subscription and support $ 724,945 $ 708,836 $ 687,382


        Professional services                  215,639         180,316      

143,568


        Total revenue                          940,584         889,152      

830,950

Cost of revenue:

Product, subscription and support 217,255 210,432

188,301


        Professional services                  116,772          98,460      

84,174


        Total cost of revenue                  334,027         308,892      

272,475


        Total gross profit                     606,557         580,260      

558,475

Operating expenses:


        Research and development               252,771         271,326      

254,142


        Sales and marketing                    380,998         396,822      

380,962


        General and administrative             101,452         111,881      

105,773


        Restructuring charges                   26,507          10,265      

-


        Total operating expenses               761,728         790,294         740,877
        Operating loss                        (155,171)       (210,034)       (182,402)
        Interest income                         11,325          22,017          16,033
        Interest expense                       (60,066)        (61,927)        (56,426)
        Other expense, net                        (497)         (1,775)        (14,804)
        Loss before income taxes              (204,409)       (251,719)     

(237,599)


        Provision for income taxes               2,894           5,690           5,524
        Net loss                            $ (207,303)     $ (257,409)     $ (243,123)


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                                                       Year Ended December 31,
                                                     2020               2019       2018
                                                     (Percent of total revenue)
        Revenue:
        Product, subscription and support                     77  %      80  %      83  %
        Professional services                                 23         20         17
        Total revenue                                        100        100        100
        Cost of revenue:
        Product, subscription and support                     23         24         23
        Professional services                                 12         11         10
        Total cost of revenue                                 36         35         33
        Total gross profit                                    64         65         67
        Operating expenses:
        Research and development                              27         31         31
        Sales and marketing                                   41         45         46
        General and administrative                            11         13         13
        Restructuring charges                                  3          1          -
        Total operating expenses                              81         89         89
        Operating loss                                       (16)       (24)       (22)
        Interest income                                        1          2          2
        Interest expense                                      (6)        (7)        (7)
        Other expense, net                                     -          - 

(2)


        Loss before income taxes                             (22)      

(29) (29)


        Provision for income taxes                             -          1          1
        Net loss                                             (22) %     (29) %     (29) %


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Comparison of the Years Ended December 31, 2020 and 2019
Revenue
                                                                               Year Ended December 31,
                                                  2020                                    2019                                 Change
                                                         % of Total                              % of Total
                                       Amount             Revenue              Amount             Revenue              Amount               %
                                                                                (Dollars in thousands)
Revenue:
Product, subscription and support   $ 724,945                   77  %       $ 708,836                   80  %       $  16,109                 2  %
Professional services                 215,639                   23            180,316                   20             35,323                20
Total revenue                       $ 940,584                  100  %       $ 889,152                  100  %       $  51,432                 6  %
Product, subscription and services
by type:
Product and related subscription
and support                         $ 422,812                   45  %       $ 467,823                   53  %       $ (45,011)              (10) %
Platform, cloud subscription and
managed services                      302,133                   32            241,013                   27             61,120                25
Total product, subscription and
support                             $ 724,945                   77  %       $ 708,836                   80  %       $  16,109                 2  %
Revenue by geographic region:
United States                       $ 584,696                   62  %       $ 554,856                   63  %       $  29,840                 5  %
EMEA                                  158,560                   17            155,357                   17              3,203                 2
APAC                                  140,492                   15            131,361                   15              9,131                 7
Other                                  56,836                    6             47,578                    5              9,258                19
Total revenue                       $ 940,584                  100  %       $ 889,152                  100  %       $  51,432                 6  %


Product, subscription and support revenue increased by $16.1 million, or 2%,
during the year ended December 31, 2020 compared to the year ended December 31,
2019. The increase was comprised of platform, cloud subscription and managed
services of $61.1 million offset by a decrease in product and related
subscription and support revenue of $45.0 million. The increase in platform,
cloud subscription and managed services reflected increased amortization of
deferred revenue associated with increased sales of our threat intelligence
subscriptions, our cloud-based email and endpoint security, our validation
platform solutions, our Helix platform, and our Managed Defense managed security
service. The decrease in product and related subscription and support revenue
was primarily due to a decrease in the product and related subscription and
support deferred revenue, from which revenue is recognized. The decrease in
deferred revenue reflected a decrease in sales of our on-premise solutions as
customers migrate to cloud-based solutions.
Professional services revenue increased by $35.3 million, or 20%, during the
year ended December 31, 2020 compared to the year ended December 31, 2019. The
increase was primarily driven by an increase in number of engagements enabled by
an increase in professional services personnel as compared to the same period in
2019.
Our international revenue increased $21.6 million, or 6%, during the year ended
December 31, 2020 compared to the year ended December 31, 2019. The increase
reflects growth in sales from certain international regions compared to prior
periods as a result of an increase in revenue recognized from a build-up of
deferred revenue from prior periods.
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Cost of Revenue and Gross Margin


                                                               Year Ended December 31,
                                               2020                       2019                     Change
                                                      Gross                      Gross
                                        Amount        Margin       Amount        Margin      Amount         %
                                                                (Dollars in thousands)

Cost of revenue:


  Product, subscription and support   $ 217,255                  $ 210,432                  $  6,823        3  %
  Professional services                   116,772                     98,460                  18,312       19
  Total cost of revenue               $ 334,027                  $ 308,892                  $ 25,135        8  %
  Gross margin:
  Product, subscription and support                     70  %                      70  %
  Professional services                                 46  %                      45  %
  Total gross margin                                    64  %                      65  %


The cost of product, subscription and support revenue increased $6.8 million, or
3%, during the year ended December 31, 2020 compared to the year ended December
31, 2019. The increase in cost of product, subscription and support revenue was
primarily driven by a $14.0 million increase in personnel costs due to increased
headcount and an $11.0 million increase in third-party hosting costs associated
with higher sales of cloud-based solutions which were partially offset by a $9.1
million decrease in intangible amortization, a $4.0 million decrease in
depreciation and a $1.6 million decrease in travel and entertainment expense
which we attribute to the COVID-19 pandemic.
The cost of professional services revenue increased $18.3 million, or 19%,
during the year ended December 31, 2020 compared to the year ended December 31,
2019. The increase in cost of professional services revenue was primarily driven
by an $18.6 million increase in personnel costs due to increased headcount, and
a $4.7 million increase in stock-based compensation expense which were partially
offset by a $7.2 million decrease in travel and entertainment expense which we
attribute to the COVID-19 pandemic.
Gross margin was lower for the year ended December 31, 2020 compared to the year
ended December 31, 2019.
Operating Expenses
                                                                                Year Ended December 31,
                                                   2020                                    2019                                 Change
                                                          % of Total                              % of Total
                                        Amount             Revenue              Amount             Revenue              Amount              %
                                                                                (Dollars in thousands)
Operating expenses:
Research and development             $ 252,771                   27  %       $ 271,326                   31  %       $ (18,555)              (7) %
Sales and marketing                       380,998                41               396,822                45            (15,824)              (4)
General and administrative                101,452                11               111,881                13            (10,429)              (9)
Restructuring                           26,507                    3             10,265                    1             16,242              158
Total operating expenses             $ 761,728                   81  %       $ 790,294                   89  %       $ (28,566)              (4) %
Includes stock-based compensation
expense of:
Research and development             $  45,867                               $  45,476
Sales and marketing                     49,662                                  49,198
General and administrative              25,176                                  29,966
Restructuring                              314                                       -
Total                                $ 121,019                               $ 124,640


Research and Development
Research and development expense decreased $18.6 million, or 7%, during the year
ended December 31, 2020 compared to the year ended December 31, 2019. The
decrease was primarily due to a $9.0 million decrease in personnel costs due to
lower headcount, a $2.9 million decrease in travel and entertainment expense
which we attribute to the COVID-19 pandemic, a $2.6 million decrease in
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third party hosting services, a $1.0 million decrease in professional services
and a $1.1 million decrease in telecommunication and software costs.
Sales and Marketing
Sales and marketing expense decreased by $15.8 million, or 4%, during the year
ended December 31, 2020 compared to the year ended December 31, 2019. The
decrease was primarily due to a decrease in personnel costs of $13.0 million due
to lower headcount, a $15.0 million decrease in travel and entertainment expense
which we attribute to the COVID-19 pandemic, a $5.0 million decrease in
marketing programs, partially offset by a $1.0 million increase in intangible
amortization and a $14.0 million increase in commissions.
General and Administrative
General and administrative expense decreased $10 million, or 9%, during the year
ended December 31, 2020 compared to the year ended December 31, 2019. The
decrease was primarily due to a $2.0 million decrease in personnel costs due to
lower headcount, a $1.0 million decrease in travel and entertainment expense
which we attribute to the COVID-19 pandemic, a $2.0 million decrease in
professional services costs and a $5.0 million decrease in stock-based
compensation.
Interest Income
                                   Year Ended December 31,                   Change
                                      2020                2019         Amount         %
                                                 (Dollars in thousands)
           Interest income   $      11,325             $ 22,017      $ (10,692)      (49) %


Interest income decreased for the year ended December 31, 2020 compared to the
year ended December 31, 2019, primarily due to a lower rate of return on
balances in our cash and cash equivalents and investments and overall decrease
in our investment balance.
Interest Expense
                                      Year Ended December 31,                 Change
                                    2020                     2019        Amount        %
                                                  (Dollars in thousands)
           Interest expense      (60,066)                  (61,927)     $ 1,861       (3) %


Interest expense for the year ended December 31, 2020 decreased compared to the
year ended December 31, 2019 as a portion of our convertible senior notes were
repurchased in June 2020. Interest expense pertains primarily to cash coupon
payments and the amortization of discount and issuance costs related to our
convertible senior notes.
Other Expense, Net
                                      Year Ended December 31,                Change
                                    2020                   2019        Amount        %
                                                  (Dollars in thousands)
            Other expense, net     (497)                  (1,775)     $ 1,278       (72) %

The decrease in other expense, net during the year ended December 31, 2020 compared to the year ended December 31, 2019 was primarily due to the inclusion of the loss on extinguishment of a portion of the 1.000% Convertible Senior Notes due 2035 (the "Series A Notes") for the year ended December 31, 2019.


                                                Year Ended December 31,
                                               2020                    2019
                                                 (Dollars in thousands)
            Provision for income taxes    $     2,894               $ 5,690
            Effective tax rate                   (1.4)  %              (2.3) %



The provision for income taxes decreased for the year ended December 31, 2020
compared to the year ended December 31, 2019. The decrease in the provision for
income taxes for the twelve months ended December 31, 2020 was primarily due to
lower foreign
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taxes and reversal of a valuation allowance in connection with the acquisitions.
Due to cumulative losses, we maintain a full valuation allowance on all of our
U.S. and certain foreign deferred tax assets. The tax expense for the years
ended December 31, 2020 and 2019 was primarily comprised of income taxes in
foreign jurisdictions and withholding taxes.
Quarterly Results of Operations
The following unaudited quarterly statements of operations data for each of the
eight quarters in the period ended December 31, 2020 and 2019 have been prepared
on a basis consistent with our audited annual financial statements included in
this Annual Report on Form 10-K and include, in our opinion, all normal
recurring adjustments necessary for the fair presentation of the financial
information contained in those statements. Our historical results are not
necessarily indicative of the results that may be expected in the future. The
following quarterly financial data should be read in conjunction with our
audited financial statements and the related notes included in this Annual
Report on Form 10-K.
                                                                                                                 Three Months Ended
                                     December 31,        September 30,                                                        December 31,        September 30,
                                         2020                2020              June 30, 2020           March 31, 2020             2019                2019              June 30, 2019           March 31, 2019
                                                                                                               (Dollars in thousands)
Revenue:

Product, subscription and support $ 189,721 $ 183,836

 $      177,305          $       174,083          $  185,008          $  179,823          $      174,102          $       169,903
Professional services                    57,781              54,624                  52,595                   50,639              50,078              46,091                  43,506                   40,641
Total revenue                           247,502             238,460                 229,900                  224,722             235,086             225,914                 217,608                  210,544
Cost of revenue:
Product, subscription and support        55,160              54,933                  54,026                   53,136              54,494              54,272                  53,198                   48,468
Professional Services                    31,883              29,473                  26,967                   28,450              26,217              24,948                  24,195                   23,100
Total cost of revenue                    87,043              84,406                  80,993                   81,586              80,711              79,220                  77,393                   71,568
Total gross profit                      160,459             154,054                 148,907                  143,136             154,375             146,694                 140,215                  138,976
Operating expenses:
Research and development                 63,009              61,662                  60,596                   67,503              67,537              68,857                  67,538                   67,394
Sales and marketing                      96,796              93,961                  90,042                  100,200              93,077              98,355                 101,494                  103,896
General and administrative               25,646              23,096                  25,281                   27,429              28,862              27,717                  27,926                   27,376
Restructuring charges                     1,487               1,488                  12,558                   10,974                 (15)              6,481                       -                    3,799
Total operating expenses                186,938             180,207                 188,477                  206,106             189,461             201,410                 196,958                  202,465
Operating loss                          (26,479)            (26,153)                (39,570)                 (62,970)            (35,086)            (54,716)                (56,743)                 (63,489)
Interest income                           1,875               2,164                   2,863                    4,424               4,758               5,275                   6,137                    5,848
Interest expense                        (14,511)            (14,353)                (15,356)                 (15,846)            (15,703)            (15,554)                (15,407)                 (15,263)

Other income (expense), net                 454                 157                    (119)                    (989)               (757)                 40                    (770)                    (288)
Loss before income taxes                (38,661)            (38,185)                (52,182)                 (75,381)            (46,788)            (64,955)                (66,783)                 (73,192)
Provision for income taxes                  (58)                933                   1,094                      925               2,428                 541                     540                    2,182
Net loss                             $  (38,603)         $  (39,118)

$ (53,276) $ (76,306) $ (49,216) $ (65,496) $ (67,323) $ (75,374) Dividend on series A convertible preferred stock

                          (1,050)                  -                       -                        -                   -                   -                       -                        -
Accretion of series A convertible
preferred stock                          (4,653)                  -                       -                        -                   -                   -                       -                        -
Net loss attributable to common
stockholders, basic and diluted      $  (44,306)         $  (39,118)         $      (53,276)         $       (76,306)         $  (49,216)         $  (65,496)         $      (67,323)         $       (75,374)
Net loss per share attributable to
common stockholders, basic and
diluted                              $    (0.19)         $    (0.17)         $        (0.24)         $         (0.35)         $    (0.23)         $    (0.31)         $        (0.33)         $         (0.38)
Weighted average shares used to
compute net loss per share, basic
and diluted                             229,203             224,807                 221,352                  217,789             214,565             212,207                 204,109                  197,819



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                                                                                                   Three Months Ended
                               December 31,        September 30,         June 30,          March 31,         December 31,         September 30,         June 30,
                                   2020                2020                2020              2020                2019                 2019                2019            March 31, 2019
                                                                                               (Percent of total revenue)
Revenue:
Product, subscription and
support                            77%                      77  %             77  %             77  %                79  %                 80  %             80  %              81
Professional services               23                      23                23                23                   21                    20                20                 19
Total revenue                      100                     100               100               100                  100                   100               100                 100
Cost of revenue:
Product, subscription and
support                             22                      23                23                24                   23                    24                24                 23
Professional services               13                      12                12                13                   11                    11                11                 11
Total cost of revenue               35                      35                35                37                   34                    35                35                 34
Total gross profit                  65                      65                65                63                   66                    65                65                 66
Operating expenses:
Research and development            25                      26                26                30                   29                    30                31                 32
Sales and marketing                 39                      39                39                45                   40                    44                47                 49
General and administrative          10                      10                11                12                   12                    12                13                 13
Restructuring charges               1                        1                 5                 5                    -                     3                 -                  2
Total operating expenses            75                      76                81                92                   81                    89                91                 96
Operating loss                     (11)                    (11)              (16)              (29)                 (15)                  (24)              (26)               (30)
Interest income                     1                        1                 1                 2                    2                     2                 3                  3
Interest expense                   (6)                      (6)               (7)               (7)                  (7)                   (7)               (7)                (7)
Other income (expense), net         -                        -                 -                 -                    -                     -                 -                  -
Loss before income taxes           (16)                    (16)              (22)              (34)                 (20)                  (29)              (30)               (34)
Provision for income taxes          -                        -                 -                 -                    1                     -                 -                  1
Net loss                          (16)%                    (16) %            (22) %            (34) %               (21) %                (29) %            (30) %             (35)


Quarterly Revenue Trends
Our quarterly revenue increased year-over-year for all periods presented,
reflecting increased amortization of revenue from higher deferred revenue
compared with the year-ago period, as well as increased capacity in professional
services. The increase in deferred revenue was due to increased sales of our
cloud-based security solutions, as well as our threat intelligence and managed
detection and response services, partially offset by decreases in deferred
revenue related to prior sales of appliance-based security solutions with
attached subscriptions.
Sequentially, our subscription and services revenues continued to increase each
quarter presented. The sequential growth was due to increased amortization of
deferred revenue associated with higher deferred revenue, which was primarily
due to growth in sales of cloud-based security solutions, threat intelligence,
and managed detection and response services, as well as increased professional
services revenue.
We expect the decline in deferred revenue associated with on-premise
appliance-based solutions (and the related attached subscriptions and support)
to continue, with the decrease offset by increases in deferred revenue from
sales of new "all-inclusive" subscriptions to our network, email and endpoint
security solutions (with or without appliance hardware), as well as from
increases in sales of our platform, cloud subscriptions and managed services and
professional services.
Quarterly Gross Margin Trends
Consistent with increases in our quarterly revenue, quarterly gross profit
increased year-over-year for all periods presented. Total gross margin, or gross
profit as a percentage of revenue, decreased year-over-year in the first and
fourth quarters of 2020, however remained flat for the second and third quarters
of 2020. Gross margin increased year-over-year in the first quarter of 2019.
Gross margin declined year-over-year in the second, third and fourth quarters of
2019 due to an increase in professional services revenue as a percentage of
total revenue and increased public cloud hosting costs associated with higher
sales of cloud-based solutions and the transition of in-house data centers to a
third party cloud platform. We expect the cost of hosting our solutions on
third-party cloud platforms will increase in absolute dollars as revenue from
our cloud-based solutions increases, which could result in fluctuations in our
quarterly gross margins in the future.
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Quarterly Expense Trends
For 2019 and 2020, total operating expenses were highest in the first quarter
and trended down sequentially as employee-related payroll costs declined.
Liquidity and Capital Resources
                                                   As of December 31,
                                                  2020           2019
                                                     (In thousands)
                 Cash and cash equivalents     $ 676,454      $ 334,603
                 Short-term investments        $ 624,824      $ 704,955


                                                                         Year Ended December 31,
                                                                2020               2019               2018
                                                                              (In thousands)
Cash provided by operating activities                       $  94,895          $  67,537          $  17,381
Cash used in investing activities                             (72,158)          (169,036)           (48,517)
Cash provided by financing activities                         319,114             26,273            260,074

Net increase (decrease) in cash and cash equivalents $ 341,851

$ (75,226) $ 228,938





As of December 31, 2020, our cash and cash equivalents of $676.5 million were
held for working capital, capital expenditures, investment in technology, debt
servicing and business acquisition purposes, of which approximately $100.7
million was held outside of the United States. We consider the undistributed
earnings of our foreign subsidiaries as of December 31, 2020 to be indefinitely
reinvested outside the United States on the basis of estimates that future
domestic cash generation will be sufficient to meet future domestic cash needs
and our plan for reinvestment of our foreign subsidiaries' undistributed
earnings.
During the three months ended June 30, 2018, we issued $600.0 million aggregate
principal amount of the 2024 Notes and received net proceeds of $584.4 million
after deducting the initial purchasers' discount and the issuance costs. In
conjunction with the issuance of the 2024 Notes, we used approximately $65.2
million of the net proceeds to enter into the capped call transactions. In
addition, we used approximately $330.4 million of the net proceeds to repurchase
a portion of the principal amount outstanding of the Series A Notes. Refer to
Note 10 contained in the "Notes to Consolidated Financial Statements" included
in Part II, Item 8 of this Annual Report on Form 10-K for more information on
the 2024 Notes, the capped call transactions and the Series A Notes.
In December 2020, we issued and sold 400,000 shares of a newly designated 4.5%
Series A Convertible Preferred Stock, par value $0.0001 per share, at a price of
$1,000 per share, for an aggregate purchase price of $400.0 million.
In November 2020, we acquired Respond Software, a cybersecurity investigation
automation company. In connection with this acquisition, we paid cash
consideration of $116.1 million and assumed $5.0 million in net tangible
liabilities.
In January 2020, we acquired Cloudvisory, a provider of cloud visibility and
control solutions. Total consideration for the acquisition was $13.2 million in
cash. We also assumed $0.3 million in net tangible liabilities.
In May 2019, we acquired Verodin, a security instrumentation platform company.
As consideration for the acquisition, we paid $143.7 million in cash, issued
8,404,609 shares of our common stock with an estimated fair value of $119.7
million and recognized $1.5 million of the fair value of assumed stock options
attributable to pre-combination services.
Our principal sources of liquidity are existing cash and cash equivalents and
short-term investments and any cash inflow from operations, which we believe
will be sufficient to meet our anticipated cash needs for at least the next 12
months. While we have experienced delays in collections which we attribute to
the COVID-19 pandemic, we believe we will be able to manage liquidity to meet
our anticipated cash needs for at least the next 12 months. Our future capital
requirements will depend on many factors, including our growth rate, the timing
and extent of spending to support development efforts, the efficiency of our
marketing and sales activities, the introduction of new and enhanced product and
service offerings, the cost of any future acquisitions of technology or
businesses, and the continuing market acceptance of our products. In the event
that additional financing is required from outside sources, we may not be able
to raise such financing on terms acceptable to us or at all. If we are unable to
raise additional capital when desired, our business, operating results and
financial condition would be adversely affected.
Operating Activities
During the year ended December 31, 2020, our operating activities provided cash
of $94.9 million. We incurred a net loss of $207.3 million, which included net
non-cash expenses of $305.4 million, primarily consisting of stock-based
compensation charges and depreciation, amortization expense and non-cash
interest expense related to convertible senior notes. Our net change in
operating
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assets and liabilities provided cash of $3.2 million, primarily related to a
decrease in deferred revenue of $20.8 million, a decrease in accounts payable of
$18.9 million, an increase in prepaid expenses of $3.6 million, an increase in
accounts receivable of $16.7 million, a decrease in accrued liabilities of $6.7
million, a decrease in long term liabilities of $16.5 million, an increase in
inventories of $3.3 million and an increase in accrued compensation of $36.2
million.
During the year ended December 31, 2019, our operating activities provided cash
of $67.5 million. We incurred a net loss of $257.4 million, which included net
non-cash expenses of $305.5 million, primarily consisting of stock-based
compensation charges, depreciation and amortization expense. Our net change in
operating assets and liabilities used cash of $19.5 million, primarily related
to reductions in deferred revenue of $37.0 million, an increase in accounts
payables of $4.7 million, an increase in prepaid expenses of $7.0 million, which
was partially offset by a decrease in accounts receivable of $12.1 million, a
decrease in accrued liabilities of $3.1 million, a decrease in long term
liabilities of $9.8 million and a decrease in accrued compensation of $4.3
million.
During the year ended December 31, 2018, our operating activities provided cash
of $17.4 million. We incurred a net loss of $243.1 million, which included net
non-cash expenses of $298.0 million, primarily consisting of stock-based
compensation charges, depreciation, amortization expense and loss on the
repurchase of our Series A Notes. As required under ASU 2016-15, we
classified $43.6 million of the $330.4 million Series A Notes cash repayment as
an amount deemed repayment of Series A Notes accreted debt discount as a cash
outflow for operating activities. Our net change in operating assets and
liabilities provided cash of $6.1 million, primarily related to reductions in
deferred revenue of $24.7 million, due to amortization, an increase in prepaid
expenses of $13.8 million due to prepayment of commissions, an increase in
accounts receivable of $11.6 million due to increased sales and a decrease in
accounts payables of  $8.2 million.
Investing Activities
Cash used in investing activities during the year ended December 31, 2020 was
$72.2 million, primarily for capital expenditures to purchase property and
equipment and demonstration units of $26.3 million, $123.7 million net of cash
acquired for the acquisition of Cloudvisory and Respond Software and $1.0
million used for the purchase of an investment in a privately held company
offset by $29.2 million provided by the sale of short term investments and net
maturities of short-term investments of $50.0 million.
Cash used in investing activities during the year ended December 31,
2019 was $169.0 million, primarily for capital expenditures to purchase property
and equipment and demonstration units of $45.6 million, net maturities of
short-term investments of $3.4 million and cash used in the acquisition of
Verodin.
Cash used in investing activities during the year ended December 31, 2018 was
$48.5 million, primarily for capital expenditures to purchase property and
equipment and demonstration units, net purchases of short-term investments and
cash used to acquire The Email Laundry.
Financing Activities
During the year ended December 31, 2020, financing activities provided $319.1
million in cash, primarily from proceeds of $395.3 million received from the
issuance of Series A Convertible Preferred Stock, proceeds of $22.2 million from
employee purchases of shares under our 2013 Employee Stock Purchase Plan
("ESPP") and $7.3 million from exercises of employee stock options primarily
offset by the repurchase of convertible senior notes of $96.4 million and
payments related to shares withheld for taxes.
During the year ended December 31, 2019, financing activities provided $26.3
million in cash, primarily from proceeds of $22.1 million from employee
purchases of shares under our ESPP and $4.2 million from exercises of employee
stock options.
During the year ended December 31, 2018, financing activities provided $260.1
million in cash, primarily from proceeds of $584.4 million received from the
issuance of our 2024 Notes, $20.8 million from employee purchases of shares
under our ESPP and $6.9 million from exercises of employee stock options. These
proceeds were partially offset by the $286.8 million cash outflow attributable
to the aggregate principal of the Series A Notes repurchased and $65.2 million
for the purchase of the privately negotiated capped calls that cap the dilutive
effects related to our 2024 Notes if the stock price exceeds the conversion
price of the 2024 Notes.
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Contractual Obligations and Commitments The following summarizes our contractual obligations and commitments as of December 31, 2020:

Payments Due by Period


                                                                        Less Than                                                     More Than
                                                      Total               1 Year            1 - 3 Years          3 - 5 Years           5 Years
                                                                                           (In thousands)
Convertible Notes                                 $ 1,134,278          $  12,959          $     25,919          $ 1,095,400          $       -
Operating leases                                       70,609             16,537                22,647               17,054             14,371
Purchase obligations                                   16,227              6,858                 9,342                   27                  -
Contract manufacturer commitments                       5,996              5,996                     -                    -                  -
Total                                             $ 1,227,110          $  42,350          $     57,908          $ 1,112,481          $  14,371


Total future payments related to our Convertible Notes of $1,134 million shown
in the table above is composed of $23.4 million principal amount of Series A
Notes, $460 million principal amount of Series B Notes, $600 million principal
amount of 2024 Notes and future interest payments of $50.8 million. Although the
2035 Notes have a stated maturity of June 1, 2035, they have been reflected in
the table above assuming repurchase on June 1, 2020 in the case of the Series A
Notes and June 1, 2022 in the case of the Series B Notes (the first date holders
have the right to require us to repurchase all or any portion of their
Convertible Senior Notes) at 100% of the principal amount plus accrued and
unpaid interest as of these dates.
Due to the uncertainty with respect to the timing of future cash flows
associated with our unrecognized tax benefits as of December 31, 2020, we are
unable to make reasonably reliable estimates of the period of cash settlement
with the respective taxing authorities. Therefore, approximately $2.0 million of
unrecognized tax benefits classified as "Other long-term liabilities" in the
accompanying consolidated balance sheets as of December 31, 2020, have been
excluded from the contractual obligations table above.
Off-Balance Sheet Arrangements
As of December 31, 2020, we did not have any relationships with unconsolidated
entities or financial partnerships, such as structured finance or special
purpose entities, which were established for the purpose of facilitating
off-balance sheet arrangements or other purposes.
Segment Information
We have one primary business activity and operate in one reportable segment.
Concentration
For the years ended December 31, 2019 and 2018, one distributor represented 13%
and 20%, respectively, of the Company's total revenue, but did not represent 10%
or greater of the Company's total revenue for the year ended December 31, 2020,
and one reseller represented 15%, 14% and 15%, respectively, of the Company's
total revenue. Additionally, another distributor represented 12% and 10%,
respectively, of the Company's total revenue for the years ended December 31,
2020 and 2019, but did not represent 10% or greater of the Company's total
revenue for the year ended December 31, 2018.
Our agreements with the distributors and reseller were made in the ordinary
course of our business and may be terminated with or without cause by either
party with advance notice. Although we believe we would experience some
short-term disruption in the distribution of our products and subscriptions and
services if these agreements were terminated, we believe such termination would
not have a long-term material adverse effect on our financial results and that
alternative resellers and other channel partners exist who would be able to
deliver our products to our end-customers.
Critical Accounting Policies and Estimates
Our consolidated financial statements have been prepared in accordance with U.S.
generally accepted accounting principles. The preparation of these consolidated
financial statements requires us to make estimates and assumptions that affect
the reported amounts of assets, liabilities, revenue, expenses, and related
disclosures. We base our estimates on historical experience and on various other
assumptions that we believe are reasonable under the circumstances. We evaluate
our estimates and assumptions on an ongoing basis. Actual results may differ
from these estimates. To the extent that there are material differences between
these estimates and our actual results, our future financial statements will be
affected.
The critical accounting policies requiring estimates, assumptions, and judgments
that we believe have the most significant impact on our consolidated financial
statements are described below.
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Revenue from Contracts with Customers
Revenue is recognized when all of the following criteria are met:
•Identification of the contract, or contracts, with a customer - A contract with
a customer exists when (i) we enter into an enforceable contract with a customer
that defines each party's rights regarding the goods or services to be
transferred and identifies the payment terms related to these goods or services,
(ii) the contract has commercial substance and the parties are committed to
perform, and (iii) we determine that collection of substantially all
consideration to which it will be entitled in exchange for goods or services
that will be transferred is probable based on the customer's intent and ability
to pay the promised consideration.
•Identification of the performance obligations in the contract - Performance
obligations promised in a contract are identified based on the goods or services
that will be transferred to the customer that are both capable of being
distinct, whereby the customer can benefit from the goods or service either on
its own or together with other resources that are readily available from third
parties or from us, and are distinct in the context of the contract, whereby the
transfer of the goods or services is separately identifiable from other promises
in the contract. To the extent a contract includes multiple promised goods or
services, we apply judgment to determine whether promised goods or services are
capable of being distinct and distinct in the context of the contract. If these
criteria are not met the promised goods or services are accounted for as a
combined performance obligation.
•Determination of the transaction price - The transaction price is determined
based on the consideration to which we will be entitled in exchange for
transferring goods or services to the customer adjusted for estimated variable
consideration, if any. We typically estimate the transaction price impact of
discounts offered to the customers for early payments on receivables or rebates
based on channel partner sales achievements. Constraints are applied when
estimating variable considerations based on historical experience where
applicable.
•Allocation of the transaction price to the performance obligations in the
contract - If the contract contains a single performance obligation, the entire
transaction price is allocated to the single performance obligation. Contracts
that contain multiple performance obligations require an allocation of the
transaction price to each performance obligation based on a relative standalone
selling price ("SSP") basis. Determination of SSP requires judgment. We
determine standalone selling price taking into account available information
such as historical selling prices of the performance obligation, geographic
location, overall strategic pricing objective, market conditions and internally
approved pricing guidelines related to the performance obligations.
•Recognition of revenue when, or as, we satisfy performance obligations - We
satisfy performance obligations either over time or at a point in time as
discussed in further detail below. Revenue is recognized at or over the time the
related performance obligation is satisfied by transferring a promised good or
service to a customer.
Nature of Products and Services
We generate revenue from the sales of physical and virtual security appliances
(products), software, subscriptions, support and maintenance contracts and
professional services to end-customers, primarily through our indirect
relationships through our partners or direct relationships through our direct
sales-force. We account for our performance obligations in accordance with ASC
606 and all related interpretations.
Our security appliance deliverables include proprietary operating system
software, which together with regular security intelligence updates and support
and maintenance, deliver the essential functionality of our appliance-based
security products. We deliver our appliances and software licenses with the
related intelligence subscription and support as a single performance
obligation. As a result, we recognize revenue for this single performance
obligation ratably over the contractual term. Contracts containing this single
performance obligation typically contain a material right of renewal option. For
contracts that contain a material right of renewal option, the allocated value
of the performance obligation is recognized ratably over the period between the
end of the initial contractual term and the end of the estimated useful life of
the related appliance and license.
Revenue from subscriptions to our cloud-based solutions, which allow customers
to use our hosted security software over a contracted period without taking
possession of the software, and managed services where we provide managed
detection and response services for our customers, are recognized over the
contractual term. We also recognize a small portion of our revenue from
appliances and software that are not dependent on regular threat intelligence
updates. Revenue from these solutions is therefore recognized when ownership is
transferred to our customers, typically upon shipment.
Professional services, which include incident response, security assessments,
and other strategic security consulting services are offered on a
time-and-materials basis or through fixed fee arrangements, and we recognize the
associated revenue as the services are delivered.
Stock-Based Compensation
Compensation expense related to stock-based transactions, including employee and
non-employee director stock options, is measured and recognized in the financial
statements based on the fair value of the awards granted. The fair value of each
option award is estimated on the grant date using the Black-Scholes
option-pricing model and a single option award approach. The fair value of
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stock options granted to non-employees is remeasured as the stock options vest,
and the resulting change in value, if any, is recognized in the statement of
operations during the period the related services are rendered. Stock-based
compensation expense is recognized over the requisite service periods of the
awards, which is generally four years.
Our use of the Black-Scholes option-pricing model requires the input of highly
subjective assumptions, including the fair value of the underlying common stock
prior to our IPO in September 2013, the expected term of the option, the
expected volatility of the price of our common stock, risk-free interest rates,
and the expected dividend yield of our common stock. The assumptions used in our
option-pricing model represent management's best estimates. These estimates
involve inherent uncertainties and the application of management's judgment. If
factors change and different assumptions are used, our stock-based compensation
expense could be materially different in the future. These assumptions and
estimates are as follows:
•Fair Value of Common Stock. Because our common stock was not publicly traded
until September 20, 2013, we were required to estimate the fair value of common
stock for grants made prior to that date, as discussed in "Common Stock
Valuations" below.
•Risk-Free Interest Rate. We base the risk-free interest rate used in the
Black-Scholes option-pricing model on the implied yield available on U.S.
Treasury zero-coupon issues with a remaining term equivalent to that of the
options for each option group.
•Expected Term. The expected term represents the period that our stock-based
awards are expected to be outstanding. We base the expected term assumption on
our historical exercise behavior combined with estimates of the post-vesting
holding period.
•Volatility. We determine the price volatility factor based on the historical
volatilities of our publicly traded peer group as we do not have a significant
trading history for our common stock. Industry peers consist of several public
companies in the technology industry that are similar to us in size, stage of
life cycle, and financial leverage. We used the same set of peer group companies
in all the relevant valuation estimates. We did not rely on implied volatilities
of traded options in our industry peers' common stock because the volume of
activity was relatively low. We intend to continue to consistently apply this
process using the same or similar public companies until a sufficient amount of
historical information regarding the volatility of our own common stock share
price becomes available, or unless circumstances change such that the identified
companies are no longer similar to us, in which case, more suitable companies
whose share prices are publicly available would be utilized in the calculation.
•Dividend Yield. The expected dividend assumption is based on our current
expectations about our anticipated dividend policy. Consequently, we used an
expected dividend yield of zero.
In addition to the assumptions used in the Black-Scholes option-pricing model,
we also estimated a forfeiture rate to calculate the stock-based compensation
expense for our awards prior to January 1, 2016. Beginning January 1, 2016, we
began recognizing forfeitures as they occur with the adoption of ASU 2016-09.
We estimate the fair value of the rights to acquire stock under our ESPP using
the Black-Scholes option pricing formula. Our ESPP typically provides for
consecutive twelve-month offering periods and we use our peer group volatility
data in the valuation of ESPP shares. We recognize such compensation expense on
a straight-line basis over the requisite service period.
We account for the fair value of restricted stock units ("RSUs") using the
closing market price of our common stock on the date of grant. For new-hire
grants, RSUs generally vest ratably on an annual basis over four years. For
annual refresh grants, RSUs generally vest ratably on an annual, or combination
of annual and quarterly, basis over two to four years.
We account for the fair value of performance stock units ("PSUs") using the
closing market price of our common stock on the date of grant. We begin
recognizing compensation expense when we conclude that it is probable that the
performance conditions will be achieved. We reassess the probability of vesting
at each reporting period and adjust our compensation cost based on this
probability assessment.
We will continue to use judgment in evaluating the assumptions related to our
stock-based compensation on a prospective basis. As we continue to accumulate
additional data related to our common stock, we may have refinements to our
estimates which could materially impact our future stock-based compensation
expense.
Income Taxes
We account for income taxes using the asset and liability method, which requires
the recognition of deferred tax assets and liabilities for the expected future
tax consequences of events that have been recognized in our financial statements
or tax returns. In addition, deferred tax assets are recorded for the future
benefit of utilizing net operating losses and research and development credit
carryforwards. Valuation allowances are provided when necessary to reduce
deferred tax assets to the amount expected to be realized. We recognize taxes on
Global Intangible Low-Taxed Income ("GILTI") as a current period expense when
incurred.
We apply the authoritative accounting guidance prescribing a threshold and
measurement attribute for the financial recognition and measurement of a tax
position taken or expected to be taken in a tax return. We recognize liabilities
for uncertain tax positions
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based on a two-step process. The first step is to evaluate the tax position for
recognition by determining if the weight of available evidence indicates that it
is more likely than not that the position will be sustained on audit, including
resolution of related appeals or litigation processes, if any. The second step
requires us to estimate and measure the tax benefit as the largest amount that
is more than 50% likely to be realized upon ultimate settlement.
Significant judgment is required in evaluating our uncertain tax positions and
determining our provision for income taxes. Although we believe our reserves are
reasonable, no assurance can be given that the final tax outcome of these
matters will not be different from that which is reflected in our historical
income tax provisions and accruals. We adjust these reserves in light of
changing facts and circumstances, such as the closing of a tax audit or the
refinement of an estimate. To the extent that the final tax outcome of these
matters is different than the amounts recorded, such differences may impact the
provision for income taxes in the period in which such determination is made.
Significant judgment is also required in determining any valuation allowance
recorded against deferred tax assets. In assessing the need for a valuation
allowance, we consider all available evidence, including scheduled reversal of
deferred tax liabilities, past operating results, the feasibility of tax
planning strategies and estimates of future taxable income. Estimates of future
taxable income are based on assumptions that are consistent with our plans.
Assumptions represent management's best estimates and involve inherent
uncertainties and the application of management's judgment. Should actual
amounts differ from our estimates, the amount of our tax expense and liabilities
could be materially impacted.
We do not provide for a U.S. income tax liability and foreign withholding taxes
on undistributed foreign earnings of our foreign subsidiaries as a result of
cumulative and current overall foreign loss. The earnings of non-U.S.
subsidiaries are currently expected to be indefinitely reinvested in non-U.S.
operations.
Contract Manufacturer Liabilities
We outsource most of our manufacturing, repair, and supply chain management
operations to our independent contract manufacturers and payments to them are a
significant portion of our product, subscription and support cost of revenue.
Although we could be contractually obligated to purchase manufactured products,
we generally do not own the manufactured products. Product title transfers from
our independent contract manufacturers to us and immediately to our partners or
customers upon shipment. Our independent contract manufacturers assemble our
products using design specifications, quality assurance programs, and standards
that we establish, and they procure components and assemble our products based
on our demand forecasts. These forecasts represent our estimates of future
demand for our products based upon historical trends and analysis from our sales
and product management functions, as adjusted for overall market conditions. If
the actual component usage and product demand are significantly lower than
forecast, we accrue for costs for contractual manufacturing commitments in
excess of our forecasted demand, including costs for excess components or for
carrying costs incurred by our contract manufacturers. To date, we have not
incurred nor accrued any significant costs associated with this exposure.
Loss Contingencies
We are subject to the possibility of various loss contingencies arising in the
ordinary course of business. We consider the likelihood of loss or impairment of
an asset, or the incurrence of a liability, as well as our ability to reasonably
estimate the amount of loss, in determining loss contingencies. An estimated
loss contingency is accrued when it is probable that an asset has been impaired,
or a liability has been incurred and the amount of loss can be reasonably
estimated. If we determine that a loss is possible, and the range of the loss
can be reasonably determined, then we disclose the range of the possible loss.
We regularly evaluate current information available to us to determine whether
an accrual is required, an accrual should be adjusted, or a range of possible
loss should be disclosed.
Warranties
We generally provide a one-year warranty on hardware. We do not accrue for
potential warranty claims as a component of cost of product, subscription and
support revenue as all product warranty claims are satisfied under our support
and maintenance contracts.
Goodwill
Goodwill is the excess of the aggregate purchase price paid over the fair value
of the net tangible and identifiable intangible assets acquired. Goodwill is not
amortized and is tested for impairment at least annually or whenever events or
changes in circumstances indicate that the carrying value may not be
recoverable. We have determined that we operate as one reporting unit and have
selected December 1 as the date to perform our annual impairment test. In the
valuation of our goodwill, we must make assumptions regarding estimated future
cash flows to be derived from our business. If these estimates or their related
assumptions change in the future, we may be required to record impairment for
these assets. The first step of the impairment test involves comparing the fair
value of the reporting unit to its net book value, including goodwill. If the
net book value exceeds its fair value, then we would perform the second step of
the goodwill impairment test to determine the amount of the impairment loss. The
impairment loss would be calculated by comparing implied fair value of goodwill
to its net book value. In calculating our implied fair value of goodwill, our
fair value would be allocated to all of the other assets and liabilities based
on their fair values. The excess of our fair value over the amount assigned to
our other assets and liabilities is the implied fair value of goodwill. An
impairment loss would be recognized when the carrying
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amount of goodwill exceeds its implied fair value. There was no impairment of
goodwill recorded for the years ended December 31, 2020, 2019 or 2018, and our
reporting unit was not at risk of failing the first step of the impairment test
for any of these periods.
Business Combinations
We account for all of our acquisitions using the acquisition method of
accounting for business combinations. The fair value of purchase consideration
is allocated to the tangible assets acquired, liabilities assumed, and
intangible assets acquired, based on their estimated fair values. The excess of
the fair value of purchase consideration over the values of these identifiable
assets and liabilities is recorded as goodwill.
When determining the fair value of assets acquired and liabilities assumed,
management makes significant estimates and assumptions, especially with respect
to identifiable intangible assets. Significant assumptions in valuing certain
identifiable intangible assets include, but are not limited to, expected
long-term market growth, customer retention, future expected operating expenses,
costs of capital, and appropriate discount rates. Management's estimates of fair
value are based upon assumptions believed to be reasonable, but which are
inherently uncertain and unpredictable and, as a result, actual results may
differ from estimates.
Recent Accounting Pronouncements
See Note 1 Description of Business and Summary of Significant Accounting
Policies contained in the "Notes to Consolidated Financial Statements" in Part
II, Item 8 of this Annual Report on Form 10-K for a full description of the
recent accounting pronouncements and our expectation of their impact, if any, on
our results of operations and financial conditions.
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