Union Bank N.A.

Union Bank N.A. notified California AG on Apr 5, 2012 of a data breach, which occurred on Jan 31, 2012. Data exposed: Social Security number, Financial / bank account, Email address, Phone number, Postal address, Name.

Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Union Bank N.A.
Source: California AG · source record
Date reported: Apr 5, 2012
Date(s) of breach: Tuesday, January 31, 2012
Residents affected: Not published by this source
Data exposed: Social Security number Financial / bank account Email address Phone number Postal address Name
Notice letter: Sample notice (PDF)
Discovered: Feb 15, 2012, as stated in the letter
"[Name1] [Name2] [Name3] [Name4] [Name5] [Name6] [Name7] [Address2] [DeliveryAddress1] [City], [ST] [Zip]-[Zip4] s1234567891s [Salutation] On February 15, 2012, Union Bank ® discovered that a former contractor kept proprietary bank data i..."
Days to notice: 50 days from discovery (Feb 15, 2012) to the California record (Apr 5, 2012). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter: 24 months of credit or identity monitoring through Experian
First seen by BreachTally: 2026-10-30 16:26 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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Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.