Did Hennessy Advisors, Inc. have a data breach?

In plain terms

Hennessy Advisors, Inc. filed a report with California authorities regarding a data breach that occurred in March 2025. This event may have exposed personal information, prompting individuals to consider general security measures as the incident remains under investigation.

Hennessy Advisors, Inc. has publicly reported a data security incident to the California Attorney General's office. The company submitted its filing about the breach on February 24, 2026.

The breach itself reportedly took place on March 30, 2025. While the specific nature of the compromise is not detailed in the public filing, the report indicates that personal information was involved.

At the time of the filing, the incident is described as being under investigation. The public record does not provide a specific number of individuals affected or further details on the types of data impacted.

Given the report of personal information being involved, individuals who may be affected by this event should remain vigilant. General recommended steps include reviewing financial account statements for any unusual activity and closely monitoring credit reports.

It is also advisable to be cautious of any unsolicited communications, such as emails or phone calls, that request personal details. These precautions can help protect your data against potential misuse.