Critical incident

OneIT: CAS Authentication Issues

Affected: CAS Authentication

Current status of OneIT: Operational — live OneIT status

Timeline

1. Aug 31, 2026, 12:23 UTC
   investigating
   We are currently experiencing CAS authentication issues. OIT administrators are actively investigating and working to resolve the issue.
2. Aug 31, 2026, 13:39 UTC
   investigating
   We are currently experiencing CAS authentication issues. Our team is actively investigating and working to resolve the problem. Users have reported issues logging into DASH, Canvas, and other CAS-related applications.
3. Aug 31, 2026, 18:14 UTC
   resolved
   OIT investigated the issue and confirmed that Google incorrectly flagged our CAS sign-in page as malicious. After a thorough review of the site using multiple security tools, as well as a third party review of the site, we confirmed that here was no malware, security compromise, or risk to university accounts, credentials, or data. The warning was generated by Google's Safe Browsing service. The issue has been resolved and the browser warning has been removed. If you continue to see the warning, please fully close and restart your web browser before attempting to sign in again. Thank you for your patience.

Updates as published by OneIT (original).