- State
- CA
- Covered entity type
- Healthcare Provider
- Individuals affected
- 44,600
- 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), Kaiser Foundation Hospitals, reported that several employees were the targets of an email phishing scheme that compromised the protected health information (PHI) of 44,600 individuals. The PHI involved included demographic and clinical information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE changed password/strengthened password requirements, implemented new technical safeguards, and revised policies and procedures.
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.