At 12:43 UTC, a user reported they were unable to log in to MentorAPM (Ticket #MST00000549) using Azure SSO (Microsoft Entra). Our team immediately investigated, identified the issue, and restored services by 14:04 UTC. Non-SSO users were unaffected during this time.
The outage was caused by an unexpected expiration of a Microsoft Azure SSO certificate. Once identified, the certificate was replaced and all systems were verified back online across Web and Mobile.
To strengthen safeguards, we...