- State
- CA
- Covered entity type
- Healthcare Provider
- Individuals affected
- 18,968
- 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
Buddhist Tzu Chi Medical Foundation, the covered entity (CE), reported that it was the victim of a ransomware attack that compromised the protected health information (PHI) of 18,968 individuals. The PHI involved included names, addresses, dates of birth, and diagnoses. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE strengthened its administrative and technical safeguards and retrained its staff. OCR provided technical assistance regarding the HIPAA Privacy and Security Rule.
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.