Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

County of Los Angeles

Disclosed Sep 17, 201033,000 affectedConfirmed

Official notice

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What is known

People affected33,000 (as reported to HHS)
DisclosedSep 17, 2010
AttackLost or stolen device
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): County of Los Angeles (Healthcare Provider, CA)

Notices filed

TotalSep 17, 2010
HHS archive33,000 people
TotalMar 30, 2011
HHS archive667 people

Other breaches at County of Los Angeles

Lost or stolen device breachLost or stolen device exposed names and health records. Reported to the California AG.880 affectedGovernmentUSApr 29, 2015
History of this record
records2026-09-25
667 to 33000by backfillSource
disclosed2026-09-25
2011-03-30 to 2010-09-17by backfillSource
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 County of Los Angeles