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St. Mary's Credit Union: data breach filings, state by state

St. Mary's Credit Union has 14 data breach filings on record in 1 government portal. The latest was reported to Massachusetts OCABR on Sep 24, 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
14filings in 1 government portal
Sep 24, 2026latest filing, Massachusetts OCABR

By portal

PortalFilingsLatest reportPeople in the latest filing
Massachusetts OCABR14Sep 24, 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
St. Mary's Credit Union Massachusetts OCABR MA Sep 24, 2026 1 Financial / bank account
St Mary's Credit Union Massachusetts OCABR MA Aug 17, 2026 1 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA Jul 23, 2026 2 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA Jul 21, 2026 1 Financial / bank account
St Marys Credit Union Massachusetts OCABR MA Jul 20, 2026 1 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA Jul 16, 2026 1 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA Jul 9, 2026 1 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA Jun 11, 2026 3 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA Jun 10, 2026 1 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA Jun 9, 2026 12 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA May 7, 2026 1 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA Jan 30, 2026 1 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA Jan 23, 2026 1 Financial / bank account
St. Mary's Credit Union Massachusetts OCABR MA Jan 16, 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.