Every public data breach

44 disclosed this week · 26,355 on record

Kaiser Foundation Hospital- Orange County

Disclosed Nov 22, 201349,000 affectedConfirmed

Official notice

The covered entity (CE), Kaiser Foundation Hospital - Orange County, misplaced a portable computer drive containing the protected health information (PHI) of 49,000 individuals. The types of PHI involved in the breach included names, dates of birth, and medications. The CE provided breach notification to HHS, affected individuals, and the media. Following the breach the CE began phasing out the use of flash drives or similar devices and initiated a plan to replace computers, and store PHI on secured servers behind the CE’s firewall. OCR provided technical assistance on conducting a security risk analysis, and as a result of its investigation OCR informed the CE that it is required to conduct an enterprise-wide security risk analysis.

What is known

People affected49,000 (as reported to HHS)
DisclosedNov 22, 2013
AttackLost or stolen device
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

Everything about Kaiser Foundation Hospital- Orange County