Crossword Cybersecurity Plc announced the integration ofArc, its real-time credential checking service, with one of the industry's most well-established secure password vaults, Sticky Password. Arc is a dark web monitoring solution that providesa continuous method of checking if credential pairs, stored by a user in the Sticky Password vault, are an identical match to credentials being distributed on dark markets that trade in stolen data. Since its founding in 2001 by a team of former AVG Technologies executives, Sticky Password has provided secure password management solutions to millions of users.

Developed with support from the UK Government's Innovate UK grant, Arc provides organization's that develop consumer applications with real-time, secure credential leak checks and credential stuffing protection for their users. Using cryptographic exchanges between its data stores and third party applications, Arc compares user login details that are sent or held by an application with Arc's proprietary internal leak information, without the need to send or receive any of the original credentials.