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Markel Insurance: data breach filings, state by state

Markel Insurance has 2 data breach filings on record in 2 government portals. The latest was reported to Texas AG on Jul 7, 2026, with 268 Texas residents. Data exposed, as filed: Social Security number, Medical / health information.

268residents counted in 1 state (TX). Latest filing per state, last twelve months
4,220people in total, as reported to Texas AG on Jul 7, 2026
2filings in 2 government portals
Jul 7, 2026latest filing, Texas AG

By portal

PortalFilingsLatest reportPeople in the latest filing
Texas AG1Jul 7, 2026268 Texas residents
California AG1Jul 2, 2026Not 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.

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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Markel Insurance Texas AG TX Jul 7, 2026 268 Social Security numberMedical / health information
Markel Insurance California AG CA Jul 2, 2026 Not published In the letter (PDF)

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.