Latest / California / December 2018

Ally Bank

Ally Bank notified California AG on Dec 13, 2018 of a data breach, which occurred on Nov 11, 2018. Data exposed: Social Security number, Date of birth, Email address, Phone number, Postal address, Name.

All 3 filings by Ally Bank, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Ally Bank
Source
California AG · source record
Date reported
Dec 13, 2018
Date(s) of breach
Sunday, November 11, 2018
Residents affected
Not published by this source
Data exposed
Social Security number Date of birth Email address Phone number Postal address Name
Notice letter
Sample notice (PDF)
Discovered
November 2018, as stated in the letter
"What Happened We recently discovered (November 2018) that our third-party supplier inadvertently transmitted files, which contained your personal information, to another financial institution."
Days to notice
32 days from the end of the breach window (Nov 11, 2018, no discovery date in the letter) to the California record (Dec 13, 2018). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter
24 months of credit or identity monitoring through Experian
Third party
The letter attributes the incident to a vendor or service provider
First seen by BreachTally
2026-10-30 16:14 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 16:14 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by Ally Bank

OrganizationSourceStateReportedResidents affectedData exposed
Ally Bank Massachusetts OCABR MA May 8, 2026 1 Social Security numberFinancial / bank account
Ally Bank Massachusetts OCABR MA Jan 23, 2026 2 Financial / bank account

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.