Breachesby GlyphMassachusetts Mutual Life Insurance
Disclosed Mar 19, 20152,274 affectedConfirmed
What is known
| People affected | 2,274 (as reported by the organization) |
|---|---|
| Disclosed | Mar 19, 2015 |
| Happened | Mar 5, 2015 |
| Attack | Not stated |
| Data exposed | Not stated |
| Sector | Insurance · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Massachusetts Mutual Life Insurance
Breach, details not statedExposed names, Social Security numbers and health records. Reported to the Indiana AG.272 affectedFinanceUSDec 11, 2025Breach, 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 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
First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.