BREACHCONFIRMED
UnitedHealth Group health plan single affiliated covered entity Data Breach
Health Insurer • healthcare
Unknown
Records Affected
Jun 28, 2011
Disclosed
insider
Attack Vector
Data Exposed
Social Security NumbersNamesDates of BirthAddressesmedical
Timeline
OccurredInvalid Date
DiscoveredJanuary 30, 2012
DisclosedJune 28, 2011
Last updated: February 5, 2026