Browser Credential Store Access by Non-Browser Process (Firefox/Edge)

Ankit Mehta@Secvyn

•updated Jun 29, 2026•0•0•1

Detects unauthorized access, modification, or deletion attempts against common web browser credential storage files (key4.db, logins.json, and Microsoft Edge 'Login Data'). These files store sensitive authentication information, and non-browser processes interacting with them are indicative of credential harvesting attempts.