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Hennessy Advisors, Inc.: data breach filings, state by state

Hennessy Advisors, Inc. has 3 data breach filings on record in 3 government portals. The latest was reported to Texas AG on Feb 25, 2026, with 729 Texas residents. Data exposed, as filed: Social Security number, Financial / bank account, Driver's license / state ID.

1,075residents counted in 2 states (TX, MA). Latest filing per state, last twelve months
12,643people in total, as reported to Texas AG on Feb 25, 2026
3filings in 3 government portals
Feb 25, 2026latest filing, Texas AG

By portal

PortalFilingsLatest reportPeople in the latest filing
Texas AG1Feb 25, 2026729 Texas residents
Massachusetts OCABR1Feb 24, 2026346 Massachusetts residents
California AG1Feb 24, 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.

Case file

Breach window
Mar 30, 2025
Discovered
No discovery date stated in the letters we read
Offered to those affected
credit or identity monitoring through Experian (term not stated in the letter we read)
Third party named
Yes, the letter attributes the incident to a vendor or service provider

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
Hennessy Advisors, Inc. Texas AG TX Feb 25, 2026 729 Social Security numberFinancial / bank accountName
Hennessy Advisors, Inc. Massachusetts OCABR MA Feb 24, 2026 346 Social Security numberFinancial / bank accountDriver's license / state ID
Hennessy Advisors, Inc. California AG CA Feb 24, 2026 Not published Name

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.