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Massachusetts Mutual Life Insurance

Disclosed Oct 8, 20187 years ago2 affectedConfirmed

Official notice

What is known

People affected2 (as reported by the organization)
DisclosedOct 8, 2018
HappenedMar 4, 2019
AttackNot stated
Data exposedNot stated
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
Indiana AGresidents of INOct 8, 20182
Indiana AGresidents of INMar 27, 20191

Other breaches at Massachusetts Mutual Life Insurance

BreachAffected
Disclosed Dec 11, 2025Dec 11, 20259 months ago272
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 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: 1 to 2 · backfill source
  • 2026-09-25 · disclosed: 2019-03-27 to 2018-10-08 · backfill source
  • 2026-09-25 · added · backfill source

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

Everything about Massachusetts Mutual Life Insurance

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