A restricted access model is the foundation. Without scoping who holds the keys, forcing a password change every 30, 60, or 90 days is security theater. Attackers exploit shared accounts, stale credentials, and unmanaged privilege—even with rotation in place.
Effective password rotation policies start with strict role-based access control. Limit accounts to the smallest set of people needed to perform a job. Remove unused logins immediately. When access is constrained, rotation becomes meaningful—each change disrupts an attacker’s window of opportunity and neutralizes compromised credentials faster.
Rotation must be enforced in a central system. Automate expiration dates and alerts. Require strong, unique passwords at every rotation event. Track compliance and flag failures. Avoid manual processes that rely on trust alone; automation ensures every account follows the same rules without exception.