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Did HENNESSY ADVISORS, INC have a data breach?

Answer

Yes. HENNESSY ADVISORS, INC reported a data breach to the Illinois Attorney General on February 5, 2026.

What the filing says

Reported to
Illinois Attorney General
Filing date
February 5, 2026
Breach date
Not stated in the filing
People affected
Not stated in the filing

In plain terms

Hennessy Advisors, Inc., a financial services company, officially reported a data security incident to the Illinois Attorney General on February 5, 2026. This report confirms that personal information was affected due to unauthorized access to their systems.

Hennessy Advisors, Inc. has officially reported a data security incident to the Illinois Attorney General. The financial services firm filed public notice on February 5, 2026, confirming a breach that involved unauthorized access to certain systems.

The company's report indicates that this incident likely resulted in the exposure of personal information. While the specific categories of data involved were not detailed in the public filing, the firm has stated that an investigation into the matter is ongoing.

Individuals who received a data breach notification letter directly from Hennessy Advisors, Inc. should carefully review the information provided. Such a letter signifies that your personal information was likely contained within the impacted systems.

It is generally recommended to remain vigilant for any unusual activity. This includes closely monitoring your financial accounts and credit reports for any suspicious transactions or unauthorized activity. Taking these proactive steps can help mitigate potential risks associated with data security incidents.

Consider placing a fraud alert on your credit files or, if you have heightened concerns, a credit freeze. These measures can help prevent new accounts from being opened in your name without your authorization. These are general precautions widely recommended after any data security incident.

Other filings by HENNESSY ADVISORS, INC

Companies often file the same breach in several states. Each filing is listed separately.

Commonly recommended next steps

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

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Other breaches reported in Illinois

DataBreachSearch.com reports what was filed with state regulators. It is not legal advice, is not a law firm, and is not affiliated with any government agency or with HENNESSY ADVISORS, INC.