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Investigation OpenNH AG filing · August 21, 2025

Langdon & Co. CPA LLP Data Breach: Understanding Your Notification

Langdon & Co. CPA LLP, an accounting firm, recently reported a data security incident in New Hampshire, with public filings dating to August 21, 2025. If you received a notification letter, it indicates some of your personal information may have been involved. This situation warrants careful attention to protect your information going forward.

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This breach is real, not a scam. Langdon & Co. CPA LLP officially reported it to the NH Attorney General on August 21, 2025.

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

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State
NH
Reported
August 21, 2025

Langdon & Co. CPA LLP, an accounting firm operating in New Hampshire, has reported a data breach incident. Public records show this breach was filed on August 21, 2025, and an investigation into the matter is currently ongoing. If you received a letter from Langdon & Co. CPA LLP, it means your personal information may have been compromised as a result of this security event.

Because the public record does not specify the exact categories of data involved, it is important to treat your notification letter as the primary source of information. This letter should explain what occurred and which types of your personal information were affected. The purpose of such notifications is to inform you so you can take appropriate protective measures.

When personal information is exposed, even generally, it can create a risk of misuse. While the full extent of this risk depends on the specific data involved, generally, it is wise to be proactive. Unauthorized access to your data could potentially lead to various forms of fraud or identity-related concerns.

To help safeguard yourself, carefully review the details provided in your notification letter from Langdon & Co. CPA LLP. Consider monitoring your accounts for any unusual activity and be cautious of unsolicited communications that might attempt to exploit the situation. Staying vigilant is a key first step in managing the potential aftermath of a data security incident.

Understanding the implications of a data breach can be complex, especially when details about the exposed information are not fully public. If you are concerned about how this incident might affect you, an attorney can help clarify your situation. You may be entitled to legal recourse, and we offer a free case review to help you explore your options without obligation.

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.

Langdon & Co. CPA LLP data breach notice and letter questions

Is the Langdon & Co. CPA LLP data breach letter legit or a scam?
A notice from Langdon & Co. CPA LLP in the mail matches the breach Langdon & Co. CPA LLP reported to the NH Attorney General on August 21, 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 Langdon & Co. CPA LLP through a phone number or website you find yourself.
Where can I see the official Langdon & Co. CPA LLP breach notice?
Langdon & Co. CPA LLP's report is published by the NH Attorney General: https://mm.nh.gov/files/uploads/doj/remote-docs/langdon-cpa-20250821.pdf Compare it with the letter you received to confirm the dates and details match.
Did Langdon & Co. CPA LLP offer free credit monitoring?
Check your letter from Langdon & Co. CPA LLP. 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.
What should I do after getting the Langdon & Co. CPA 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.
Is there a Langdon & Co. CPA 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 Langdon & Co. CPA 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.
Do I need a Langdon & Co. CPA LLP data breach lawyer or attorney?
Talking to a data breach attorney costs nothing here. A lawyer can read your notice, explain your rights under your state's law and tell you whether a claim makes sense.
How much could a Langdon & Co. CPA LLP data breach settlement or claim be worth?
There is no set amount, and no Langdon & Co. CPA 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.
Can I sue Langdon & Co. CPA 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.

Source: NH Attorney General filing

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