Latest / Massachusetts / May 2026

Massachusetts Mutual Life Insurance Company

Massachusetts Mutual Life Insurance Company notified Massachusetts OCABR on May 5, 2026 of a data breach affecting 41 Massachusetts residents. Data exposed: Social Security number, Medical / health information, Financial / bank account.

Organization
Massachusetts Mutual Life Insurance Company
Source
Massachusetts OCABR · source record
Date reported
May 5, 2026
Date(s) of breach
Not stated
Residents affected
41 (Massachusetts residents)
Data exposed
Social Security number Medical / health information Financial / bank account
Notice letter
Not available
First seen by BreachTally
2026-10-30 19:57 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Information compromised, as listed

Organization type: Financial Services Company. Breached: Social Security numbers, medical records, financial account numbers.

Other filings by Massachusetts Mutual Life Insurance Company

OrganizationSourceStateReportedResidents affectedData exposed
Massachusetts Mutual Life Insurance Company California AG CA Mar 21, 2024 Not published Social Security number
Massachusetts Mutual Life Insurance Company California AG CA Aug 29, 2017 Not published Social Security numberFinancial / bank accountDate of birthPhone number+2
Massachusetts Mutual Life Insurance Company California AG CA Dec 16, 2013 Not published Social Security numberFinancial / bank accountDate of birthUsernames / passwords+4
Massachusetts Mutual Life Insurance Company California AG CA Oct 4, 2013 Not published In the letter (PDF)
Massachusetts Mutual Life Insurance Company California AG CA Jun 4, 2013 Not published Social Security numberFinancial / bank accountDate of birthUsernames / passwords+4
Massachusetts Mutual Life Insurance Company California AG CA Mar 6, 2013 Not published Social Security numberFinancial / bank accountMedical / health informationHealth insurance+4
Massachusetts Mutual Life Insurance Company California AG CA Jul 31, 2012 Not published Social Security numberFinancial / bank accountDate of birthUsernames / passwords+4
First seen by BreachTally at 19:57 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.