Massachusetts Mutual Life Insurance Company

Organization

Massachusetts Mutual Life Insurance Company

Source

California AG · source record

Date reported

Jul 31, 2012

Date(s) of breach

Friday, July 13, 2012

Residents affected

Not published by this source

Data exposed

Social Security number Financial / bank account Date of birth Usernames / passwords Email address Phone number Postal address Name

Notice letter

Sample notice (PDF)

Days to notice

18 days from the end of the breach window (Jul 13, 2012, no discovery date in the letter) to the California record (Jul 31, 2012). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).

Offered in the letter

24 months of credit or identity monitoring through Experian

First seen by BreachTally

2026-10-30 16:26 UTC

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