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Capital One: data breach filings, state by state

Capital One has 10 data breach filings on record in 3 government portals. The latest was reported to Massachusetts OCABR on Jan 28, 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
10filings in 3 government portals
Jan 28, 2026latest filing, Massachusetts OCABR

By portal

PortalFilingsLatest reportPeople in the latest filing
Massachusetts OCABR3Jan 28, 20261 Massachusetts residents
Oregon DOJ2May 26, 202316,779 in total
California AG5Mar 26, 2021Not 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
5 earlier incidents 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
Capital One Massachusetts OCABR MA Jan 28, 2026 1 Financial / bank account
Capital One Massachusetts OCABR MA Jan 26, 2026 1 Financial / bank account
Capital One Massachusetts OCABR MA Jan 23, 2026 1,451 Financial / bank account
Capital One Oregon DOJ OR May 26, 2023 16,779 Not stated
Capital One California AG CA Mar 26, 2021 Not published In the letter (PDF)
Capital One Oregon DOJ OR Sep 16, 2019 Not published Not stated
Capital One California AG CA Sep 11, 2019 Not published In the letter (PDF)
Capital One California AG CA Aug 12, 2019 Not published Social Security numberDate of birthTax ID / EIN / ITINName
Capital One California AG CA Aug 9, 2018 Not published Social Security numberFinancial / bank accountDate of birthPhone number+2
Capital One California AG CA Feb 6, 2017 Not published Financial / bank accountUsernames / passwordsPostal addressName

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.