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California Physicians’ Services dba Blue Shield of California
ArchivedSubmitted 04/05/2023
- State
- CA
- Covered entity type
- Health Plan
- Individuals affected
- 1,553
- Business associate present
- Yes
- 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), California Physicians’ Services dba Blue Shield of California, reported that its business associate’s (BA) subcontractor suffered a hacking attack affecting the protected health information (PHI) of 1,553 individuals. The PHI involved included names, dates of birth, and addresses. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE severed its connection with the servers affected by the breach, implemented additional technical safeguards, and provided complimentary credit monitoring services to affected individuals.
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.