Hennessy Advisors Files Data Security Notice in Illinois
Hennessy Advisors, Inc., a financial services firm, formally notified the Illinois Attorney General on February 5, 2026, about a data security incident. This report confirms unauthorized access to certain systems, indicating that personal information may have been exposed for those who receive notification.
- State
- Illinois
- Reported
- February 5, 2026
On February 5, 2026, Hennessy Advisors, Inc. submitted an official data security breach notification to the Illinois Attorney General's office. This filing documents an incident involving unauthorized access to systems managed by the investment management firm. The company has indicated that an investigation into the scope and nature of the unauthorized access is ongoing.
Hennessy Advisors functions as a financial services and investment management entity, which entails handling and storing sensitive personal information for client accounts and portfolio management. The reported security incident points to unauthorized intrusion into systems where such data typically resides.
The official public filing to the Illinois Attorney General does not detail the specific types of personal information that were exposed in this event. Consequently, individuals who receive a direct notification letter from Hennessy Advisors, Inc. should carefully review that communication for any specific details concerning their data.
For those who receive a notification letter, it is prudent to monitor financial accounts and statements diligently for any unfamiliar transactions or suspicious activity. Regularly checking your credit reports for any new accounts opened in your name without authorization is also a recommended practice.
As a general precaution, consider implementing multi-factor authentication on online accounts whenever it is an option. Furthermore, updating passwords to be strong and unique for each service can help reduce potential risks across your digital footprint.