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Ally Bank: data breach filings, state by state

Ally Bank has 3 data breach filings on record in 2 government portals. The latest was reported to Massachusetts OCABR on May 8, 2026, with 1 Massachusetts residents. Data exposed, as filed: Social Security number, Financial / bank account.

1residents counted in 1 state (MA). Latest filing per state, last twelve months
3filings in 2 government portals
May 8, 2026latest filing, Massachusetts OCABR

By portal

PortalFilingsLatest reportPeople in the latest filing
Massachusetts OCABR2May 8, 20261 Massachusetts residents
California AG1Dec 13, 2018Not published

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

Case file

Breach window
Not stated in the filings
Discovered
No letter on file to read
Offered to those affected
No letter on file to read
Third party named
No letter on file to read
Prior incidents
1 earlier incident on record for this organization

Open the case fileWord document

Every filing with the agency links, each state's record against its statutory period with the citation, what the letter offers, prior incidents. Letter facts are quoted so you can check them.

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Every filing

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
Ally Bank California AG CA Dec 13, 2018 Not published Social Security numberDate of birthEmail addressPhone number+2

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.