Hennessy Advisors, Inc. Reports Data Security Incident

Hennessy Advisors, Inc., a California-based entity, has submitted a formal notification to regulatory bodies concerning a data security incident. This filing acknowledges that personal information may have been compromised as a result of the event.

According to the public record, the exact nature of the security incident and the specific categories of personal information that may have been involved are not detailed. The official filing also does not specify the number of individuals potentially affected by this event.

The reported date of the data breach incident is March 30, 2025. Hennessy Advisors, Inc. filed its official report regarding this event on February 24, 2026. The company indicates that an investigation into the circumstances surrounding the breach is ongoing.

Individuals who receive direct notifications from Hennessy Advisors, Inc. should review them carefully for any specific guidance provided. As a general precaution, it is advisable to remain vigilant against unsolicited communications, such as phishing attempts, and to regularly monitor personal accounts for any unusual activity. Checking credit reports periodically can also help detect potential misuse of personal information.

This documentation of the Hennessy Advisors, Inc. data breach is based solely on information available in public regulatory filings. DataBreachCaseFile.com serves as a registry to present these reported facts as they are made available by the filing entity.