DisclosureLens
Third-Party / Supply ChainFinancial ServicesFinanceCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDMinorMediumContained

Massachusetts Mutual Life Insurance Company

bd_de5ae1ceb3f549ee · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Mar 21, 2024

To disclose

Affected

Not disclosed

Linked

7 filings

Confidence

65%
Full breach record for Massachusetts Mutual Life Insurance Company48 incidents on file

Massachusetts Mutual Life Insurance Company (Newport) reported a data breach involving a third-party service provider, IMS. The incident occurred on October 29, 2023. Affected data includes names, addresses, dates of birth, and Social Security numbers of plan participants and beneficiaries, including minors. No evidence of misuse was found. The company offered two years of complimentary identity protection via Experian IdentityWorks.

Incident timeline

Oct 29, 2023

Begins

Mar 21, 2024

Filed

This filing is one of 7 about the same incident.View merged incident
Part of INFOSYS MCCAMISH SYSTEMS, LLC supply-chain incident (2024) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Show 2 more filingsup to 36d gap

Filing propagation · 7 filings · 4 states

View merged incident ↗
Massachusetts State AGMar 21 · first
Indiana State AGMar 21 · first
Idaho State AGMar 21 · first
California State AGMar 21 · first · this page

Pattern: first filing Mar 21 (MA), last Apr 26 (MA) — a 36-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.