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Investigation OpenNH AG filing · October 10, 2025

Chalmers Insurance Group Files Data Breach Notice in New Hampshire

Chalmers Insurance Group has filed a data breach notification with New Hampshire authorities, reporting an incident under investigation. The company is working to understand the scope of the event. Individuals who receive a direct notification letter should review it for specific details and recommended actions.

State
NH
Reported
October 10, 2025

Chalmers Insurance Group has officially reported a data security incident to regulatory authorities in New Hampshire. The filing, dated October 10, 2025, indicates an ongoing investigation into an unspecified security event impacting the company.

While the specific nature of the information involved and the number of individuals affected remain under investigation and have not been publicly detailed in the initial filing, the incident potentially impacts personal information. Chalmers Insurance Group is working to understand the full scope of the compromise.

This notification serves as a public record of the incident, as required by state regulations. Such filings ensure transparency and provide a reference for individuals who may receive direct breach notifications from the company.

Individuals who receive a formal letter from Chalmers Insurance Group regarding this incident should carefully read the notification. It will contain the most accurate information specific to their situation and any services the company may offer to assist them.

As a general precaution, it is always wise to remain vigilant for any unusual activity across financial accounts and to monitor credit reports. Consider placing a fraud alert or security freeze on your credit if you are concerned, and be wary of unexpected communications that request personal details.

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 Chalmers Insurance Group data breach

Where can I see the official Chalmers Insurance Group breach notice?
Chalmers Insurance Group's report is published by the NH Attorney General: https://mm.nh.gov/files/uploads/doj/remote-docs/chalmers-insurance-20251010.pdf Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the Chalmers Insurance Group 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 Chalmers Insurance Group data breach letter legit or a scam?
A notice from Chalmers Insurance Group in the mail matches the breach Chalmers Insurance Group reported to the NH Attorney General on October 10, 2025. 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 Chalmers Insurance Group through a phone number or website you find yourself.
Did Chalmers Insurance Group offer free credit monitoring?
Check your letter from Chalmers Insurance Group. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Enrolling does not give up your right to bring a claim.
Can I sue Chalmers Insurance Group 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 Chalmers Insurance Group 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 Chalmers Insurance Group. 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 Chalmers Insurance Group data breach settlement or claim be worth?
There is no set amount, and no Chalmers Insurance Group 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 Chalmers Insurance Group 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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