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Hennessy Advisors, Inc. Data Breach

State
CA
Reported
Feb 24, 2026
Breach date
Mar 30, 2025

Hennessy Advisors, Inc. has reported a data breach to the Attorney General of California. The incident, which reportedly occurred on March 30, 2025, involved the exposure of personal information. The company filed its official report regarding this breach on February 24, 2026.

While the specific categories of data involved have not been detailed, breaches of this nature often lead to unauthorized access to sensitive personal information. If your data was compromised in this incident, you likely received a notification letter directly from Hennessy Advisors, Inc.

Receiving a data breach notification can be concerning. It means that your personal information was exposed to unauthorized parties, which could put you at risk for various forms of identity theft or fraud. It is advisable to remain vigilant for unusual activity on your financial accounts and to carefully review any credit reports you may receive.

Data breach victims often wonder if they have legal recourse. In some cases, a class action lawsuit may be pursued to help individuals recover damages related to the breach. Attorneys are currently investigating the Hennessy Advisors, Inc. data breach to determine if a class action is appropriate.

If you received a notification letter about the Hennessy Advisors, Inc. data breach, you may be able to join others in a potential lawsuit. Learning more about your rights and options can help you decide on the best course of action. This review is confidential and carries no obligation.

Got a letter from Hennessy Advisors, Inc.?

A licensed data breach attorney will review your situation for free. No fee unless you recover.

Reviewed by David S. Harris, Esq., Law Office of David S. Harris · Florida Bar No. 0112739. About the firm

Source: CA attorney general breach filing