Every public data breach

47 disclosed this week · 26,367 on record

Massachusetts Mutual Life Insurance

Disclosed Oct 8, 20182 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

Other breaches at Massachusetts Mutual Life Insurance

History of this record
records2026-09-25
1 to 2by backfillSource
disclosed2026-09-25
2019-03-27 to 2018-10-08by backfillSource
Added2026-09-25
First recordedby backfillSource

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