Hennessy Advisors Reports Data Breach to Illinois Attorney General

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.