HHS OCR report · 2022
California Department of Corrections and Rehabilitation data breach
OCR report facts
- Covered entity
- California Department of Corrections and Rehabilitation
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 236,000
- Submission date
- Aug 22, 2022
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), the California Department of Corrections and Rehabilitation, reported that it experienced a ransomware attack that affected the protected health information (PHI) of 236,000 individuals. The PHI involved included names, Social Security numbers, dates of birth, driver’s license numbers, diagnoses, lab results, medications, financial information, and other treatment information. Upon discovering the breach, the CE took steps to secure its network and investigated the br...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the California Department of Corrections and Rehabilitation data breach?
The report to HHS OCR lists 236,000 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Aug 22, 2022.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
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 California Department of Corrections and Rehabilitation 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 California Department of Corrections and Rehabilitation.