HHS OCR report · 2018
CA Department of Developmental Services data breach
OCR report facts
- Covered entity
- CA Department of Developmental Services
- Entity type
- Health Plan
- State
- California
- Individuals affected
- 582,174
- Submission date
- Apr 6, 2018
- Type of breach
- Theft
- Location of breached information
- Paper/Films
- Business associate present
- No
- Status
- Archive (closed)
OCR description
On February 11, 2018, unknown persons broke into the covered entity's (CE) legal and audits offices, ransacked the offices and paper files, vandalized property, and started a fire that set off the building’s sprinkler system, which caused water damage to many documents and workstations. The breach affected approximately 582,174 individuals including the CE's employees. The types of protected health information (PHI) involved in the breach included billing information such as names, unique s...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the CA Department of Developmental Services data breach?
The report to HHS OCR lists 582,174 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Apr 6, 2018.
What type of breach was it?
The OCR portal lists the type of breach as Theft, with the breached information located in: Paper/Films.
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 CA Department of Developmental Services 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 CA Department of Developmental Services.