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Investigation OpenNH AG filing · April 17, 2026

Hallisey & D’Agostino LLP Data Breach: What NH Victims Should Know

Hallisey & D’Agostino, LLP has reported a data breach impacting individuals in New Hampshire. If you received a notification, it means your personal information may have been exposed, creating potential risks. Our team is ready to help you understand what this means for you.

This breach is real, not a scam. Hallisey & D’Agostino, LLP officially reported it to the NH Attorney General on April 17, 2026.

Reviewed by David S. Harris, Esq., data breach and class action attorney (Florida Bar No. 0112739). Free consultation: 786-306-7278

Received a Hallisey & D’Agostino, LLP notification letter? Find out in minutes if you qualify for compensation.

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State
NH
Reported
April 17, 2026

Hallisey & D’Agostino, LLP recently announced that it experienced a data breach, which they formally reported on April 17, 2026. This incident has led to notification letters being sent to individuals whose personal information may have been compromised. Receiving such a letter can be unsettling, and our team understands the concerns you may have about your data security.

While the specific details about how the breach occurred and the exact types of information involved have not been fully disclosed, the notification indicates that personal information was exposed. This means your data could be in the hands of unauthorized parties, leading to potential risks you need to be aware of.

The exposure of personal information can create a variety of challenges for those affected. It’s crucial to remain vigilant, as unauthorized access to your data can sometimes lead to issues like identity theft, financial fraud, or other forms of personal compromise. Protecting yourself requires proactive measures.

If you received a data breach notification from Hallisey & D’Agostino, LLP, it’s important to take immediate steps. Review the notification letter carefully for any specific recommendations provided by the firm. Consider monitoring your accounts for unusual activity and be cautious about unsolicited communications that ask for personal details. Staying informed and alert is your first line of defense.

Our legal team is actively investigating the Hallisey & D’Agostino, LLP data breach and its implications for affected individuals in New Hampshire. We believe that companies have a responsibility to protect your personal information diligently. If you are concerned about your exposure or simply want to understand your legal rights, we offer free case reviews to discuss your specific situation and potential next steps.

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.

Hallisey & D’Agostino, LLP data breach lawyer, lawsuit and letter questions

Do I need a Hallisey & D’Agostino, LLP data breach lawyer or attorney?
You don't need to pay to find out. Our data breach attorneys review notices like this one for free, and data breach cases are usually handled on contingency — no fee unless money is recovered for you.
Can I sue Hallisey & D’Agostino, LLP 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 Hallisey & D’Agostino, LLP 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 Hallisey & D’Agostino, LLP. 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.
Is the Hallisey & D’Agostino, LLP data breach letter legit or a scam?
A notice from Hallisey & D’Agostino, LLP in the mail matches the breach Hallisey & D’Agostino, LLP reported to the NH Attorney General on April 17, 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 Hallisey & D’Agostino, LLP through a phone number or website you find yourself.
Did Hallisey & D’Agostino, LLP offer free credit monitoring?
Any free monitoring Hallisey & D’Agostino, LLP is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Enrolling does not give up your right to bring a claim.
How much could a Hallisey & D’Agostino, LLP data breach settlement or claim be worth?
There is no set amount, and no Hallisey & D’Agostino, LLP 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.
Where can I see the official Hallisey & D’Agostino, LLP breach notice?
Hallisey & D’Agostino, LLP's report is published by the NH Attorney General: https://mm.nh.gov/files/uploads/doj/remote-docs/hallisey-d-agostino-20260417.pdf Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the Hallisey & D’Agostino, LLP 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.

Source: NH Attorney General filing

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