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Recent Breaches › Hennessy Advisors, Inc. Data Breach Notice (Massachusetts Attorney General)

CRITICAL severityConfirmedHow we verify

Hennessy Advisors, Inc. Data Breach Notice (Massachusetts Attorney General): What Was Exposed & What To Do

RBRecent Breaches Breach Intelligence·February 24, 2026
Hennessy Advisors, Inc. Data Breach Notice (Massachusetts Attorney General)

Reported February 24, 2026. Approximately 346 people affected.

CRITICAL
Severity
346
People affected
3
Data types exposed
February 24, 2026
Disclosed
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Hennessy Advisors, Inc. disclosed a data breach on February 24, 2026, affecting 346 individuals and exposing Social Security numbers, financial account numbers, and driver’s license numbers. Anyone who received a notice from the company should review their accounts and consider placing a credit freeze or fraud alert.

Severity & verification
CRITICAL severityConfirmed
Exposes government-ID/financial data.
Corroborated by an official disclosure or a verified breach feed.
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AICompiled with AI assistance from public sources and published under our editorial standards.

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Recent Breaches is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data, and we do not hold the data claimed in leak-site listings. Incidents are compiled from publicly accessible sources and threat-intelligence platforms and are reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — write to support@galaxywarden.com or press@recentbreaches.com.
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How this breach connects

Company

CompanyHennessy Advisors, Inc. security record
52/100
DoxxScan™ · Elevated doxx risk
D+ 56Weak record

1 reported incident on record.

See Hennessy Advisors, Inc.’s full breach history →
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Read GalaxyWarden’s full analysis of the Hennessy Advisors, Inc. Data Breach Notice (Massachusetts Attorney General) →

Source: Massachusetts Office of Consumer Affairs breach notification

Verified breach

Breach listings — particularly those originating from ransomware or leak sites — are third-party claims that may be unverified, incomplete, or inaccurate. A listing does not by itself confirm that a breach occurred or that any specific data was exposed. Severity is an automated assessment, not a definitive rating. Verification status is shown where available.

Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.

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