Error: Access key expired | IAM Access Key Management

When implementing least‑privilege authentication in AWS, key rotation and expiration are critical. The documented error Access key expired appears when an IAM user signs a request with a key that has been marked Expired in the IAM console.

According to AWS documentation, an Expired key remains listed as active until the user explicitly revokes or deletes it. This behavior leaves a window where a key that should no longer be usable can still be used by automated systems or scripts that have not yet updated their credentials.

Given this, the unresolved decision is whether IAM should automatically disable keys once they reach the Expired state, or whether manual revocation is required. What are the implications for compliance and security if expired keys remain active?

1. Does IAM treat a key marked Expired as still valid for API requests? 2. Is there a configuration or policy that can enforce automatic disabling of expired keys? 3. How does the current behavior impact least‑privilege enforcement in regulated environments?