Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Community Health Systems Professional Services

Disclosed Aug 20, 20144,500,000 affectedConfirmed

Official notice

What is known

People affected4,500,000 (as reported to HHS)
DisclosedAug 20, 2014
HappenedApr 10, 2014
AttackLost or stolen device
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Community Health Systems Professional Services
Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): Community Health Systems Professional Services (Business Associate, TN)

Notices filed

Residents of CAAug 20, 2014
California AGCount not stated
TotalAug 20, 2014
HHS archive4,500,000 people
History of this record
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 4500000by 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.

Everything about Community Health Systems Professional Services