BREACHCONFIRMED
Massachusetts Mutual Life Insurance Company Data Breach
insurance_company • financial
Unknown
Records Affected
Aug 17, 2017
Disclosed
unknown
Attack Vector
Data Exposed
NamesSocial Security NumbersAccount NumbersAddressesDates of BirthPhone Numbers
Timeline
OccurredAugust 17, 2017
DiscoveredAugust 20, 2017
DisclosedAugust 17, 2017
Related Coverage
Last updated: February 6, 2026