BREACHCONFIRMED
Union Bank N.A. Data Breach
Bank • financial
Unknown
Records Affected
Jan 31, 2012
Disclosed
insider
Attack Vector
Data Exposed
NamesAccount NumbersAddressesPhone NumbersEmail Addresses
Timeline
OccurredJanuary 31, 2012
DiscoveredFebruary 15, 2012
DisclosedJanuary 31, 2012
Related Coverage
Last updated: February 6, 2026