Hoag network intrusion may have exposed patients’ personal and health information
Hoag Hospital in California detected suspicious activity on its network on 8 October. An external forensic investigation and review of files found that some files containing personal information and protected health information may have been accessed without authorisation. The hospital sent notification letters on 4 November outlining the information potentially exposed for each affected person and offered 12 months of credit monitoring.
Key facts
- Affected organisation
- Hoag Memorial Hospital Presbyterian
- Incident type
- Data breach
- Occurred / detected
- 2026-10-08
- Scale of damage
- Potential exposure of patients’ and others’ personal and health information; number of affected people not disclosed
- Cause / method
- Possible unauthorised access to some files following an intrusion into the computer network
- Location
- United States
If your data was exposed
Exposed dataHealth & medical data
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.
Timeline
- The hospital detected suspicious activity on its network.
- Notification letters were sent concerning possible unauthorised access to files that may have contained personal and health information.
- It became known that the breach had been reported to state authorities and that affected people were being offered 12 months of credit monitoring.
8 related reports
- Anubis Ransomware Strikes Santiam Hospital & Clinics
- Santiam hospital hit with $5 million suit over alleged ransomware attack
- Hoag Hospital Data Breach
- West Valley Hospital avoids data breach
- Hoag Hospital Sends Data Breach Letters After October 2026 Network Intrusion
- Orange County hospital files breach notice with no patient count
- Hoag Memorial Hospital Presbyterian Data Breach (2026): What Was Exposed & Free Credit Monitoring
- Hoag hospital reports cyber incident involving patient information
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.