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Regulator-posted notice

Breach notice filed by Massachusetts Mutual Life Insurance Company ("MassMutual") (April 2023)

Organization named: Massachusetts Mutual Life Insurance Company Provisional: identity as filed, not yet matched to the directory

What the sources say

California Attorney General data security breach list Primary notice

Posted on the California Attorney General data security breach list with a submission date of April 27, 2023.

Organization as reported
Massachusetts Mutual Life Insurance Company ("MassMutual")
Incident dates as reported
Feb. 1, 2023
Submission date
April 27, 2023
Observed by BreachRecords
2026-10-19 05:03 UTC (revision 51202, nid:566036)
Archived copy
Held in the private archive (provenance)

The listing records a filing with the agency; it is not a finding by the agency.

Figures, per source

The linked sources report no figure for this record.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date (California Attorney General data security breach list)
  • Observed by BreachRecords (revision 51202)
  • Approved by a reviewer

Organizations linked by a reviewer

Archived evidence

  • c75470ba7a9d9638aeeff755f39c458173e7be5628e52c508908743c1742b6ad
    text/html, 89,688 bytes, retrieved from California Attorney General data security breach list, 2026-10-19 05:03 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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