Breachesby GlyphMassachusetts Mutual Life Insurance
Disclosed Dec 11, 2025272 affectedConfirmed
What is known
| People affected | 272 (as reported by the organization) |
|---|---|
| Disclosed | Dec 11, 2025 |
| Happened | Apr 7, 2025 |
| Attack | Not stated |
| Data exposed | NamesSocial Security numbersHealth |
| Sector | Finance · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Massachusetts Mutual Life Insurance
Breach, details not statedBreach notice filed with the California AG, details not stated.12K affectedInsuranceUSApr 27, 2023Breach, details not statedBreach notice filed with the Indiana AG, details not stated.29 affectedInsuranceUSNov 19, 2021Breach, details not statedBreach notice filed with the Indiana AG, details not stated.4 affectedInsuranceUSJun 30, 2020Breach, details not statedBreach notice filed with the Indiana AG, details not stated.2 affectedInsuranceUSOct 8, 2018Breach, details not statedBreach notice filed with the California AG, details not stated.2,034 affectedInsuranceUSMay 5, 2017Breach, details not statedBreach notice filed with the Indiana AG, details not stated.2,274 affectedInsuranceUSMar 19, 2015Breach, details not statedBreach notice filed with the California AG, details not stated.InsuranceUSMar 6, 2013Breach, details not statedBreach notice filed with the California AG, details not stated.InsuranceUSJul 31, 2012
History of this record
200 to 272by backfillSource
2026-02-13 to 2025-12-11by backfillSource
29 to 200by backfillSource
empty to organizationby backfillSource
empty to 29by backfillSource
2026-05-04 to 2026-02-13by backfillSource
empty to 2025-04-07by backfillSource
First recordedby backfillSource
First seen 2026-09-25 (Vermont AG), confirmed by Vermont AG. Record counts are as reported. Not legal advice.