BREACHCONFIRMED
MUFG Union Bank, N.A. Data Breach
Bank • financial
Unknown
Records Affected
Nov 9, 2018
Disclosed
third party
Attack Vector
Data Exposed
NamesAccount NumbersFinancial Records
Timeline
OccurredNovember 1, 2018
DiscoveredDecember 7, 2018
DisclosedNovember 9, 2018
Related Coverage
Last updated: February 6, 2026