Marsh & McLennan Companies, Inc. and our affiliates

Marsh & McLennan Companies, Inc. and our affiliates notified California AG on Nov 26, 2013 of a data breach, which occurred on Jun 13, 2013. Data exposed: Social Security number, Financial / bank account, Health insurance, Postal address, Name.

Organization: Marsh & McLennan Companies, Inc. and our affiliates
Source: California AG · source record
Date reported: Nov 26, 2013
Date(s) of breach: Thursday, June 13, 2013
Residents affected: Not published by this source
Data exposed: Social Security number Financial / bank account Health insurance Postal address Name
Notice letter: Sample notice (PDF)
First seen by BreachTally: 2026-10-30 16:24 UTC

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

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