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Massachusetts General Hospital: data breach filings, state by state

Massachusetts General Hospital has 2 data breach filings on record in 1 government portal. The latest was reported to Massachusetts OCABR on Aug 10, 2026, with 1 Massachusetts residents. Data exposed, as filed: Social Security number, Medical / health information.

1residents counted in 1 state (MA). Latest filing per state, last twelve months
2filings in 1 government portal
Aug 10, 2026latest filing, Massachusetts OCABR

By portal

PortalFilingsLatest reportPeople in the latest filing
Massachusetts OCABR2Aug 10, 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.

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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Massachusetts General Hospital Massachusetts OCABR MA Aug 10, 2026 1 Social Security numberMedical / health information
Massachusetts General Hospital Massachusetts OCABR MA Mar 2, 2026 1 Social Security numberMedical / health information

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.