Every public data breach

44 disclosed this week · 26,355 on record

Santa Clara Family Health Plan

Disclosed Mar 30, 2023276,993 affectedConfirmed

Official notice

The covered entity (CE), Santa Clara Family Health Plan, reported that its business associate (BA) experienced a security incident that affected the protected health information (PHI) of 276,933 individuals. The PHI involved included names, addresses, dates of birth, and health insurance information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional technical safeguards and provided complimentary credit monitoring services to affected individuals.

What is known

People affected276,993 (as reported to HHS)
DisclosedMar 30, 2023
HappenedJan 30, 2023
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

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 276993by backfillSource
disclosed2026-09-25
2023-05-02 to 2023-03-30by backfillSource
summary2026-09-25
empty to The covered entity (CE), Santa Clara Family Health Plan, reported that its business associate (BA) experienced a security incident that affected the protected health information (PHI) of 276,933 individuals. The PHI involved included names,by 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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