University Hospitals security incident history
Hacking, data breaches and other security incidents involving University Hospitals, with related coverage.
Incidents: 1 · Most recent
University Hospitals cyber incident takes patient portal offline for 16 days
Impact: MyChart patient portal unavailable for 16 days
University Hospitals in Ohio disconnected its internet access after detecting unusual server activity in October 2026. Digital services including MyChart were disrupted, but hospitals and emergency departments continued operating, and MyChart was restored after 16 days. Patients filed a class action lawsuit alleging information theft, but the hospital system did not confirm whether personal data had been leaked or the scale of any leak.
Related reports: 5 · last report →