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Investigation OpenNH AG filing · February 24, 2026

Hennessy Advisors Reports Unspecified Data Breach in New Hampshire

Hennessy Advisors, Inc. has filed a data breach report in New Hampshire as of February 24, 2026. The filing indicates an incident involving personal information, though specific details about the type of breach and data affected remain undisclosed. Individuals who may have received a notification should review it carefully for further guidance.

State
NH
Reported
February 24, 2026

Hennessy Advisors, Inc. submitted a data breach notification to New Hampshire authorities on February 24, 2026. The filing indicates an incident occurred where personal information may have been exposed. At this time, the specific nature of the breach and the types of data involved have not been detailed in the public record.

The company has stated that an investigation into the incident is currently underway. While the breach date remains unknown, such filings are made to inform state regulators and potentially affected individuals about security events that could impact personal data.

When personal information is involved in a data security incident, it generally refers to any data that can identify an individual. Because the specific categories of information are not specified in this filing, it is important for anyone who receives a direct notification from Hennessy Advisors to carefully read that communication for precise details relevant to their situation.

As a general precaution following any data security incident, individuals are often advised to remain vigilant. This includes monitoring financial accounts and credit reports for any unusual activity. It is also wise to be cautious of unsolicited communications, such as emails or phone calls, that request personal details.

This information is based on public records filed with state regulators. For the most accurate and personalized information regarding this incident, individuals should refer to official notices directly from Hennessy Advisors, Inc. or contact them using verified channels.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

What to know about the Hennessy Advisors, Inc. data breach

Where can I see the official Hennessy Advisors, Inc. breach notice?
Hennessy Advisors, Inc.'s report is published by the NH Attorney General: https://mm.nh.gov/files/uploads/doj/remote-docs/hennessy-advisors-20260224.pdf Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the Hennessy Advisors, Inc. data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is the Hennessy Advisors, Inc. data breach letter legit or a scam?
A notice from Hennessy Advisors, Inc. in the mail matches the breach Hennessy Advisors, Inc. reported to the NH Attorney General on February 24, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Hennessy Advisors, Inc. through a phone number or website you find yourself.
Did Hennessy Advisors, Inc. offer free credit monitoring?
Any free monitoring Hennessy Advisors, Inc. is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Signing up doesn't waive any legal rights you may have.
Can I sue Hennessy Advisors, Inc. over the data breach?
It depends on what was exposed, the law in NH and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
Is there a Hennessy Advisors, Inc. data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Hennessy Advisors, Inc.. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
How much could a Hennessy Advisors, Inc. data breach settlement or claim be worth?
There is no set amount, and no Hennessy Advisors, Inc. settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Do I need a Hennessy Advisors, Inc. data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: NH Attorney General filing

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Hennessy Advisors, Inc. Data Breach 2026: Filing Record