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Breaches.

Alameda Health System

Disclosed May 20, 20224 years ago90,000 affectedConfirmed

Official notice

What is known

People affected90,000 (as reported to HHS)
DisclosedMay 20, 2022
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): Alameda Health System (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalMay 20, 202290,000

Other breaches at Alameda Health System

BreachAffected
Disclosed Sep 15, 2020Sep 15, 20206 years agoHacking2,691
History of this record
  • 2026-09-25 · added · backfill source

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

Everything about Alameda Health System

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