Dashlane Mfa Device Registration After Failed Attempts

Daniel Jeremiah@daniyyell

•updated Jun 19, 2026•2•0•2

This rule detects a sequence of events where multiple failed one-time code (MFA) attempts are followed by a successful new device registration within Dashlane. This pattern can indicate an attacker attempting to brute-force MFA codes and then registering a new device once successful, potentially leading to account compromise.