HHS OCR report · 2014
KP Northern CA Department of Research data breach
OCR report facts
- Covered entity
- KP Northern CA Department of Research
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 5,178
- Submission date
- Apr 2, 2014
- 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), Kaiser Permanente Northern California Division of Research, reported a breach of 5,178 individuals’ electronic protected health information (e-PHI), as a result of a malware software infection on its computer server. The types of ePHI involved in the breach included names, dates of birth, genders, addresses, race/ethnicity information, medical record numbers, lab results, and responses patients provided to research-related questions. The CE provided breach notificati...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the KP Northern CA Department of Research data breach?
The report to HHS OCR lists 5,178 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Apr 2, 2014.
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 KP Northern CA Department of Research 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 KP Northern CA Department of Research.