- State
- CA
- Covered entity type
- Healthcare Provider
- Individuals affected
- 604,583
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), Community Medical Centers, reported that it was the victim of a ransomware attack that compromised the protected health information (PHI) of approximately 604,583 individuals. The PHI involved included names, Social Security numbers, addresses, dates of birth, and clinical information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE retrained its workforce members and implemented additional administrative, technical, and security safeguards.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.