Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

IBM

Disclosed Apr 14, 20111,900,000 affectedConfirmed

Official notice

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What is known

People affected1,900,000 (as reported to HHS)
DisclosedApr 14, 2011
AttackNot stated
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

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

Notices filed

TotalApr 14, 2011
HHS archive1,900,000 people

Other breaches at IBM

Vendor loses tapes with SSNs of IBM employees, mostly formerVendor breach exposed Social Security numbers, dates of birth, addresses and employment records.Vendor breachTechUSUnverifiedMay 15, 2007
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.

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