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44 disclosed this week · 26,355 on record

Health Alliance Hospital Mary's Avenue Campus

Disclosed Dec 11, 2023264,197 affectedConfirmed

Official notice

The covered entity (CE) HealthAlliance Hospital Mary’s Avenue Campus reported that it experienced a security incident that affected the protected health information (PHI) of 264,197 individuals. The PHI involved included demographic, clinical, and financial information. The CE notified HHS, the media and affected individuals. In response to the breach, the CE implemented additional technical and security safeguards.

What is known

People affected264,197 (as reported to HHS)
DisclosedDec 11, 2023
AttackHacking
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.

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