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Breaches.

Unum Group

Disclosed Aug 3, 20233 years ago650,521 affectedConfirmed

Official notice

What is known

People affected650,521 (as reported by the organization)
DisclosedAug 3, 2023
DiscoveredJun 4, 2023
HappenedMay 31, 2023
AttackHacking
Data exposedNot stated
SectorFinance · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Unum Groupoag.ca.gov · Official notice
Washington Attorney General breach notice: Unum Groupatg.wa.gov · Official notice
Oregon DOJ breach notice: Unum Groupjustice.oregon.gov · Official notice
Indiana Attorney General 2023 data breach report: Unum Groupin.gov · Official notice

Notices filed

WhereFiledPeople
Indiana AGresidents of INAug 3, 20239,667
Washington AGresidents of WAAug 21, 20234,186
Oregon DOJresidents of ORSep 5, 2023
California AGresidents of CASep 19, 2023

Other breaches at Unum Group

BreachAffected
Disclosed Jan 28, 2022Jan 28, 20224 years agoHacking34K
Disclosed Jan 24, 2019Jan 24, 20197 years agoHacking532
Disclosed Jan 10, 2014Jan 10, 201412 years ago50
History of this record
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 650521 · backfill source
  • 2026-09-25 · disclosed: 2023-08-21 to 2023-08-03 · backfill source
  • 2026-09-25 · sector: other to finance · backfill source
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · disclosed: 2023-09-19 to 2023-08-21 · backfill source
  • 2026-09-25 · discovered: empty to 2023-06-04 · 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 Unum Group

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