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University Hospitals Disables Digital Services Amid Cybersecurity Incident

University Hospitals Disables Digital Services Amid Cybersecurity Incident

First seen 24 Oct 2026, 18:42 UTC • •

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ThreatCluster AI
ThreatCluster •October 24, 2026 at 20:14 UTC
  • •University Hospitals disconnected from the internet due to unusual server activity.
  • •MyChart and other digital services are currently offline but patient care remains unaffected.
  • •Quest Diagnostics reported unauthorized access to patient records, with ongoing investigations.

University Hospitals disconnected its systems from the internet on October 23, 2026, after detecting unusual activity on its servers. This precautionary measure has led to disruptions in digital services, including the MyChart patient portal. The hospital stated that there is currently no impact on patient care delivery, but digital services may remain offline for several days. Quest Diagnostics, which provides lab services at UH, disclosed a cybersecurity incident involving unauthorized access to patient records. The investigation is ongoing, and Quest has hired external cybersecurity experts to assist. Both UH and Quest have not confirmed if the incidents are connected. As of October 24, 2026, UH's websites and MyChart remain unavailable, displaying error messages to users.

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Timeline

2026-10-23
University Hospitals disconnects systems
University Hospitals took its systems offline after detecting unusual activity on servers, affecting digital services.
Cleveland
2026-10-23
Quest Diagnostics discloses cyber incident
Quest Diagnostics reported unauthorized access to patient records during a cyber attack, affecting their test-ordering system.
Ideastream

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Common questions

Are patient records compromised?
Quest Diagnostics confirmed unauthorized access to certain patient records, but it is unclear if UH's systems were also breached.
How long will services be down?
University Hospitals anticipates that digital service disruptions may continue for several days.
What actions are being taken?
Both University Hospitals and Quest Diagnostics are working with external cybersecurity experts to investigate the incidents.