University Hospitals (Cleveland) takes systems offline after "unusual activity" (unconfirmed) ยท updates https://pwn.watch/i/university-hospitals-cleveland-systems-offline-oct-2026 University Hospitals in Cleveland detected unusual activity on its servers on Oct 22 2026 and disconnected systems from the internet as a precaution. MyChart, the public website and other digital services went down and some appointments and elective procedures were rescheduled; UH says patient care continues. UH has not said whether it was a cyberattack or whether patient data was accessed, and expects disruption into the following week. Still under investigation. en Fri, 23 Oct 2026 00:00:00 GMT University Hospitals (Cleveland) takes systems offline after "unusual activity" (unconfirmed): MyChart and websites remain down; some appointments are rescheduled; UH begins reconnecting some partners and expects impact into next week. Cause not confirmed. https://pwn.watch/i/university-hospitals-cleveland-systems-offline-oct-2026 https://pwn.watch/i/university-hospitals-cleveland-systems-offline-oct-2026#2026-10-23-f8a19056 Fri, 23 Oct 2026 00:00:00 GMT unknown <p><a href="https://www.ideastream.org/health/2026-10-23/university-hospitals-websites-mychart-down-after-unusual-activity-on-servers">Source</a></p> University Hospitals (Cleveland) takes systems offline after "unusual activity" (unconfirmed): UH detects unusual activity on its servers and disconnects systems from the internet. https://pwn.watch/i/university-hospitals-cleveland-systems-offline-oct-2026 https://pwn.watch/i/university-hospitals-cleveland-systems-offline-oct-2026#2026-10-22-4bb66224 Thu, 22 Oct 2026 00:00:00 GMT unknown <p><a href="https://www.wkyc.com/article/news/local/cleveland/university-hospitals-disconnects-online-systems-internet-unusual-activity-servers-response-protocols-digital-services/95-7bb4c9a2-7fdc-4a27-8d65-cf9a15932ed5">Source</a></p>