- State
- CA
- Covered entity type
- Healthcare Provider
- Individuals affected
- 495,949
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- First seen by InfoSec Signals
- Sep 23, 2026
- Last seen in OCR export
- Oct 25, 2026
OCR description
The covered entity (CE), UC San Diego Health, reported that an employee was subjected to an email phishing scheme that compromised the protected health information (PHI) of 495,949 individuals. The PHI involved included names, dates of birth, addresses, drivers’ license and Social Security numbers, claims and financial information, lab results, medications, diagnoses, and other treatment information. The CE notified HHS and the affected individuals. In response to the breach, the CE implemented additional administrative, technical, and security safeguards. Staff were retrained on email security.
Change history
- Sep 23, 2026Added to OCR's archive list
Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source
Records are reproduced as published; entity names and figures are OCR's.