Massachusetts Mutual Life Insurance Company ("MassMutual")

Massachusetts Mutual Life Insurance Company ("MassMutual") notified California AG on Apr 27, 2023 of a data breach, which occurred on Feb 1, 2023. Data exposed: Email address.

Organization: Massachusetts Mutual Life Insurance Company ("MassMutual")
Source: California AG · source record
Date reported: Apr 27, 2023
Date(s) of breach: Wednesday, February 1, 2023
Residents affected: Not published by this source
Data exposed: Email address
Notice letter: Sample notice (PDF)
First seen by BreachTally: 2026-10-30 15:58 UTC

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