Hennessy Advisors, Inc. data breach

Clerk's notes

Hennessy Advisors, Inc. has formally reported a data security incident to California authorities. The company filed its notice on February 24, 2026, concerning an event that initially took place on March 30, 2025. The specific nature of this breach has not been disclosed in the public record.

While the exact categories of personal information involved have not been specified, this incident means that data entrusted to Hennessy Advisors, Inc. may have been accessed without authorization. Affected individuals typically receive direct notification from the company detailing what occurred.

If you have received a data breach notification letter from Hennessy Advisors, Inc., it is important to review it closely for any details provided. Monitoring your accounts for unusual activity and being alert to unsolicited communications are general protective steps to consider following any data exposure.

The status of this incident is currently listed as "investigating." This indicates that authorities and potentially the company itself are still assessing the full scope and impact of the breach.

Understanding your options after a data security event is crucial. If you received a notification letter from Hennessy Advisors, Inc., you may be eligible for a review of your specific situation to understand any potential recourse.

If a notification letter about this breach reached you, see every CA data breach on file or browse all cases.