BREACHCONFIRMED
Marsh & McLennan Companies, Inc. and our affiliates Data Breach
financial • financial
Unknown
Records Affected
Jun 13, 2013
Disclosed
third party
Attack Vector
Data Exposed
NamesSocial Security NumbersAddresses
Timeline
OccurredInvalid Date
DiscoveredSeptember 25, 2013
DisclosedJune 13, 2013
Related Coverage
Last updated: February 6, 2026