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Latest / Massachusetts / February 2026

Hennessy Advisors, Inc.

Hennessy Advisors, Inc. notified Massachusetts OCABR on Feb 24, 2026 of a data breach affecting 346 Massachusetts residents. Data exposed: Social Security number, Financial / bank account, Driver's license / state ID.

Organization
Hennessy Advisors, Inc.
Source
Massachusetts OCABR · source record
Date reported
Feb 24, 2026
Date(s) of breach
Not stated
Residents affected
346 (Massachusetts residents)
Data exposed
Social Security number Financial / bank account Driver's license / state ID
Notice letter
Not available
First seen by BreachTally
2026-10-30 19:59 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Information compromised, as listed

Organization type: Financial Services Company. Breached: Social Security numbers, financial account numbers, driver's license numbers.

Other filings by Hennessy Advisors, Inc.

OrganizationSourceStateReportedResidents affectedData exposed
Hennessy Advisors, Inc. Texas AG TX Feb 25, 2026 729 Social Security numberFinancial / bank accountName
Hennessy Advisors, Inc. California AG CA Feb 24, 2026 Not published Name
First seen by BreachTally at 19:59 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.