Top Hat incidents — OutageDBIncidents reported by Top Hathttps://outagedb.com/No impact Top Hat incident: Security Update: Top Hat & Aktiv Unaffected by Recent PHP Vulnerabilitieshttps://outagedb.com/status/top-hat/2026-10-22-security-update-top-hat-aktiv-unaffected-by-recent/https://outagedb.com/status/top-hat/2026-10-22-security-update-top-hat-aktiv-unaffected-by-recent/Resolved after <1 min.Thu, 22 Oct 2026 20:21:26 GMTNo impact Top Hat incident: Investigating Gradebook Access Issueshttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 2 h 20 min.Wed, 26 Aug 2026 15:22:49 GMTMajor Top Hat incident: Failure to Load Message Appearing for Some Usershttps://outagedb.com/status/top-hat/2026-08-05-failure-to-load-message-appearing-for-some-users/https://outagedb.com/status/top-hat/2026-08-05-failure-to-load-message-appearing-for-some-users/Resolved after 30 min.Wed, 05 Aug 2026 17:41:27 GMTCritical Top Hat incident: Critical Service Disruption on US Serverhttps://outagedb.com/status/top-hat/2026-03-27-critical-service-disruption-on-us-server/https://outagedb.com/status/top-hat/2026-03-27-critical-service-disruption-on-us-server/Resolved after 3 h 27 min.Fri, 27 Mar 2026 18:45:03 GMTMajor Top Hat incident: Question Submission Errorshttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after <1 min.Mon, 01 Dec 2025 18:30:00 GMTMajor Top Hat incident: Aktiv Assignment Loading and Submission Issueshttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after <1 min.Fri, 28 Nov 2025 20:00:00 GMTMajor Top Hat incident: LaTeX Display Issuehttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after <1 min.Tue, 25 Nov 2025 22:47:30 GMTMinor Top Hat incident: AWS Outage impacting Top Hat serviceshttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 30 h 53 min.Mon, 20 Oct 2025 13:50:26 GMTMajor Top Hat incident: Gradebook Failing to Update Gradeshttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 30 h 44 min.Thu, 02 Oct 2025 16:35:00 GMTNo impact Top Hat incident: Resolved – Temporary Performance Degradationhttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after —.Wed, 27 Aug 2025 15:17:23 GMTNo impact Top Hat incident: Canadian Service Migrationhttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 5 h 02 min.Wed, 27 Aug 2025 13:00:02 GMTMinor Top Hat incident: Email Delivery Issuehttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 1 h 38 min.Thu, 26 Jun 2025 13:27:40 GMTMinor Top Hat incident: Course Settings and Test Access Unavailablehttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 28 min.Fri, 13 Jun 2025 17:24:37 GMTCritical Top Hat incident: Top Hat Service Outage - Detectedhttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 4 h 52 min.Thu, 12 Jun 2025 18:31:09 GMTNo impact Top Hat incident: Temporary Access Issues with Course Pageshttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after —.Thu, 24 Apr 2025 17:15:52 GMTMajor Top Hat incident: Messaging Platform Outagehttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after <1 min.Fri, 28 Mar 2025 19:30:00 GMTNo impact Top Hat incident: Realtime Updates and Classroom Functionality Disruptionhttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after —.Thu, 27 Mar 2025 17:20:20 GMTNo impact Top Hat incident: iOS Top Hat App Crashing on Version 8.77.0https://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after —.Thu, 13 Mar 2025 22:06:19 GMTNo impact Top Hat incident: Increased Latency in Top Hathttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after —.Fri, 28 Feb 2025 15:09:07 GMTNo impact Top Hat incident: Increased Latency in Top Hathttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after —.Fri, 28 Feb 2025 15:08:45 GMTNo impact Top Hat incident: AI-Generated Questions Unavailablehttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 1 h 08 min.Thu, 27 Feb 2025 14:51:56 GMTNo impact Top Hat incident: Increased Latency in Top Hathttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 3 h 52 min.Wed, 26 Feb 2025 20:51:20 GMTMinor Top Hat incident: Increased Latency in Top Hathttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 2 h 14 min.Tue, 04 Feb 2025 17:01:38 GMTMajor Top Hat incident: Aktiv - 404 Error on LMS Launchhttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after 14 h 57 min.Mon, 20 Jan 2025 22:54:58 GMTNo impact Top Hat incident: Aktiv Service Degradationhttps://outagedb.com/status/top-hat/https://outagedb.com/status/top-hat/Resolved after —.Tue, 14 Jan 2025 00:13:37 GMT