Every public data breach

44 disclosed this week · 26,355 on record

California Department of Corrections and Rehabilitation

Disclosed Feb 8, 2022236,000 affectedConfirmed

Official notice

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 breach incident. The CE notified HHS, affected individuals, and the media. It also implemented additional administrative, technical, and security safeguards. As part of the investigation, OCR provided technical assistance to the CE regarding the HIPAA Rules.

What is known

People affected236,000 (as reported to HHS)
DisclosedFeb 8, 2022
HappenedDec 21, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at California Department of Corrections and Rehabilitation

History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 236000by backfillSource
summary2026-09-25
empty to 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 naby backfillSource
disclosed2026-09-25
2022-08-22 to 2022-02-08by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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