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Citibank: data breach filings, state by state

Citibank has 1 data breach filing on record in 1 government portal. The latest was reported to Massachusetts OCABR on Apr 15, 2026, with 1 Massachusetts residents. Data exposed, as filed: Financial / bank account.

1residents counted in 1 state (MA). Latest filing per state, last twelve months
1filing in 1 government portal
Apr 15, 2026latest filing, Massachusetts OCABR

By portal

PortalFilingsLatest reportPeople in the latest filing
Massachusetts OCABR1Apr 15, 20261 Massachusetts residents

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

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
Citibank Massachusetts OCABR MA Apr 15, 2026 1 Financial / bank account

Filings by other organizations that name Citibank

When a vendor is breached, its clients often file under their own names and mention the vendor.

OrganizationSourceStateReportedResidents affectedData exposed
Citibank, N.A Massachusetts OCABR MA Oct 13, 2026 1 Financial / bank account

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.