Google Unveils Open Beta for Device Bound Session Credentials in Chrome, Enhancing Patch Transparency with Project Zero
July 30, 2025
Device Security / AI Security
Google has launched an open beta for its Device Bound Session Credentials (DBSC), a security feature aimed at protecting users from session cookie theft attacks. Initially introduced as a prototype in April 2024, DBSC binds authentication sessions to specific devices, preventing malicious actors from using stolen cookies to access accounts from unauthorized devices. “Available in the Chrome browser on Windows, DBSC enhances security after login by linking session cookies—small files that remember user information—to the device used for authentication,” said Andy Wen, senior director of product management at Google Workspace. This initiative not only secures user accounts post-authentication but also complicates the reuse of session cookies, bolstering session integrity. The company has also…