HHS OCR report ยท 2025
Blue Shield of California data breach
OCR report facts
- Covered entity
- Blue Shield of California
- Entity type
- Health Plan
- State
- California
- Individuals affected
- 624
- Submission date
- Feb 28, 2025
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Electronic Medical Record
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Blue Shield of California, reported that due to a configuration error, the protected health information (PHI) of 624 individuals was viewable by others via the Internet. The PHI involved included medications and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE provided free credit monitoring to affected individuals.
Text as published on the HHS OCR breach portal.
Other reports by Blue Shield of California
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Blue Shield of California | CA | Health Plan | 93,921 | Sep 29, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Blue Shield of California | CA | Business Associate | 607 | Sep 29, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Blue Shield of California | CA | Health Plan | 783 | Jul 21, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Blue Shield of California | CA | Business Associate | 673 | Jun 23, 2025 | Unauthorized Access/Disclosure | Under investigation |
| Blue Shield of California | CA | Business Associate | 1,543 | Jun 6, 2025 | Unauthorized Access/Disclosure | Under investigation |
| Blue Shield of California | CA | Business Associate | 4,700,000 | Apr 9, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Blue Shield of California | CA | Health Plan | 1,506 | Jul 12, 2022 | Hacking/IT Incident | Archive (closed) |
| Blue Shield of California | CA | Health Plan | 1,519 | Nov 19, 2021 | Hacking/IT Incident | Archive (closed) |
| Blue Shield of California | CA | Health Plan | 20,764 | Jan 14, 2016 | Unauthorized Access/Disclosure | Archive (closed) |
Frequently asked questions
How many people were affected by the Blue Shield of California data breach?
The report to HHS OCR lists 624 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 28, 2025.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, with the breached information located in: Electronic Medical Record.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from Blue Shield of California legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or Blue Shield of California.