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Investigation OpenNH AG filing · September 8, 2025

Chess.com LLC Investigating Data Security Incident in New Hampshire

Chess.com LLC, based in New Hampshire, is currently investigating a data security incident that may have involved personal information. The company filed notice regarding this situation on September 8, 2025, informing affected individuals to remain alert for any unusual activity. Understanding what this notification means for you is an important first step.

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This breach is real, not a scam. Chess.com LLC officially reported it to the NH Attorney General on September 8, 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
September 8, 2025

Chess.com LLC, a New Hampshire-based entity, is addressing a data security incident. The company officially filed a notice about this event on September 8, 2025, indicating that an investigation is underway into how personal information may have been involved.

If you have received a notification letter from Chess.com LLC, it means your data may be among the information implicated in this incident. Such letters serve to inform you about the breach and to advise you on how to proceed, even as the company continues to investigate the full scope of what occurred.

Because the investigation is ongoing and the specific data types involved have not been publicly detailed, it is crucial to remain cautious. Carefully review the letter you received for any unique details pertinent to your situation. As a general protective measure, consider monitoring your various online accounts for any unusual or suspicious activity.

It is also wise to be vigilant against unexpected communications. Be wary of any unsolicited emails, phone calls, or messages that claim to be from Chess.com LLC or other organizations asking for personal information. These could be phishing attempts designed to exploit the situation.

Understanding the implications of a data breach can be complex, especially when details are still emerging. If you are concerned about how this incident might affect you, or if you simply want to understand your options, seeking further guidance can be helpful.

We offer a free review to help you understand what your Chess.com LLC data breach notification letter means and to explore any potential next steps available to you. This is attorney advertising.

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.

Chess.com LLC data breach notice and letter questions

Is the Chess.com LLC data breach letter legit or a scam?
A notice from Chess.com LLC in the mail matches the breach Chess.com LLC reported to the NH Attorney General on September 8, 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 Chess.com LLC through a phone number or website you find yourself.
Where can I see the official Chess.com LLC breach notice?
Chess.com LLC's report is published by the NH Attorney General: https://mm.nh.gov/files/uploads/doj/remote-docs/chess-20250908.pdf Compare it with the letter you received to confirm the dates and details match.
Did Chess.com LLC offer free credit monitoring?
Any free monitoring Chess.com LLC is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Using the free service won't stop you from joining a lawsuit or settlement later.
What should I do after getting the Chess.com LLC 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 Chess.com LLC 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 Chess.com LLC. 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 Chess.com LLC 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 Chess.com LLC data breach settlement or claim be worth?
There is no set amount, and no Chess.com LLC 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 Chess.com LLC 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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