United States of America
Massachusetts Mutual Life Insurance Company ("MassMutual") is an organisation in Massachusetts. It appears on the Massachusetts Attorney General breach-notification register and the California Attorney General breach-notification register with 3 confirmed incidents; the most recent notice was filed on April 26, 2024.
Data as of September 7, 2026.
Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.
Note: the count is Massachusetts residents only, not a total.
CA AG breach notification: an unknown number of California residents affected
sourceRequired under Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.
Note: no affected-count is published on this register.