The server logs show a failed login attempt at 3:17 a.m. from an IP block you have never seen. This is why Multi-Factor Authentication (MFA) is more than a checkbox—it is a living control that demands regular inspection.
A quarterly MFA check-in is not optional if your systems hold sensitive data or customer trust. Passwords decay. Devices are lost. Keys get exposed. Attack patterns shift in months, not years. A static MFA setup becomes a liability faster than most teams realize.
Start with a full audit of current MFA methods. Verify each factor is active, enforced, and mapped correctly in your authentication flow. Confirm that token lifetimes and recovery processes match current security standards. Remove unused or weak factors immediately.
Next, test the user experience. MFA friction that is too high leads to workarounds; too low invites risk. Ensure push notifications, SMS codes, hardware keys, and app-based authenticators function as intended. Simulate account takeover scenarios to measure real-world resilience.