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Massachusetts Mutual Life Insurance

Disclosed Dec 11, 20259 months ago272 affectedConfirmed

Official notice

What is known

People affected272 (as reported by the organization)
DisclosedDec 11, 2025
HappenedApr 7, 2025
AttackNot stated
Data exposedNames, Social Security numbers, Health
SectorFinance · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
Indiana AGresidents of INDec 11, 20254
Indiana AGresidents of INFeb 1314
Indiana AGresidents of INMay 12
Vermont AGresidents of VTMay 41

Other breaches at Massachusetts Mutual Life Insurance

BreachAffected
Disclosed Apr 27, 2023Apr 27, 20233 years ago12K
Disclosed Nov 19, 2021Nov 19, 20214 years ago29
Disclosed Jun 30, 2020Jun 30, 20206 years ago4
Disclosed Oct 8, 2018Oct 8, 20187 years ago2
Disclosed May 5, 2017May 5, 20179 years ago2,034
Disclosed Mar 19, 2015Mar 19, 201511 years ago2,274
Disclosed Mar 6, 2013Mar 6, 201313 years agoUnknown
Disclosed Jul 31, 2012Jul 31, 201214 years agoUnknown
History of this record
  • 2026-09-25 · records: 200 to 272 · backfill source
  • 2026-09-25 · disclosed: 2026-02-13 to 2025-12-11 · backfill source
  • 2026-09-25 · records: 29 to 200 · backfill source
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 29 · backfill source
  • 2026-09-25 · disclosed: 2026-05-04 to 2026-02-13 · backfill source
  • 2026-09-25 · occurred: empty to 2025-04-07 · backfill source
  • 2026-09-25 · added · backfill source

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

Everything about Massachusetts Mutual Life Insurance

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