Every public data breach

44 disclosed this week · 26,355 on record

County of Los Angeles

Disclosed Apr 29, 2015880 affectedConfirmed

Official notice

Paper documents were stolen from an employee car, while off-site. The paper documents contained the protected health information (PHI) of approximately 743 individuals. The types of PHI involved in the breach included first and last names, dates of birth, medical record numbers, telephone numbers, gender information, names of treatment clinics, appointment types, date and time of appointment(s), and reasons for the examination and/or diagnosis. Following the breach, the covered entity (CE) notified local law enforcement and re-trained staff. The CE provided breach notification to HHS, affected individuals and the media. OCR obtained assurances that the CE implemented the corrective actions listed above.

What is known

People affected880 (as reported to HHS)
DisclosedApr 29, 2015
HappenedMay 13, 2016
AttackLost or stolen device
Data exposedNamesHealth
SectorGovernment · US
StatusConfirmed

Sources

Notices filed

Other breaches at County of Los Angeles

History of this record
records2026-09-25
743 to 880by backfillSource
attack2026-09-25
unknown to lost-deviceby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 743by backfillSource
summary2026-09-25
empty to Paper documents were stolen from an employee car, while off-site. The paper documents contained the protected health information (PHI) of approximately 743 individuals. The types of PHI involved in the breach included first and last names, by backfillSource
disclosed2026-09-25
2016-12-16 to 2015-04-29by 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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