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UnitedHealth Group health plan single affiliated covered entity

Disclosed Apr 27, 201016 years ago19,100 affectedConfirmed

Official notice

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What is known

People affected19,100 (as reported to HHS)
DisclosedApr 27, 2010
HappenedJun 28, 2011
AttackInsider
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalApr 27, 2010735
HHS archivetotalJun 4, 201016,291
HHS archivetotalFeb 1, 20126,678
California AGresidents of CAMar 30, 2012
HHS archivetotalMay 18, 201219,100

Other breaches at UnitedHealth Group health plan single affiliated covered entity

BreachAffected
Disclosed May 8, 2019May 8, 20197 years agoHacking21K
History of this record
  • 2026-09-25 · disclosed: 2010-06-04 to 2010-04-27 · backfill source
  • 2026-09-25 · disclosed: 2012-02-01 to 2010-06-04 · backfill source
  • 2026-09-25 · disclosed: 2012-03-30 to 2012-02-01 · backfill source
  • 2026-09-25 · attack: unknown to insider · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · records_basis: empty to hhs · backfill source
  • 2026-09-25 · records: empty to 19100 · backfill source
  • 2026-09-25 · summary: empty to \N · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about UnitedHealth Group health plan single affiliated covered entity

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