Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Mercer

Disclosed Jul 30, 20101,073 affectedConfirmed

Official notice

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What is known

People affected1,073 (as reported to HHS)
DisclosedJul 30, 2010
AttackLost or stolen device
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): Mercer (Business Associate, MI)

Notices filed

TotalJul 30, 2010
HHS archive1,073 people
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.

Everything about Mercer