Where does the Chess.com LLC case file come from?

Every entry is taken from the breach report Chess.com LLC lodged with the New Hampshire Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Chess.com LLC Data Breach

This file collects the dated facts on record for the Chess.com LLC incident. The state report is dated September 8, 2025.

Timeline

September 8, 2025Report filed in New HampshireDate the notice was lodged with the New Hampshire Attorney General.

Case facts

Filing state: New Hampshire
Date reported: September 8, 2025
Receiving office: New Hampshire Attorney General

Case notes

Chess.com LLC, a leading online platform for chess enthusiasts, reported a data security incident to the New Hampshire Attorney General on September 8, 2025. This official filing indicates that an unauthorized event occurred, potentially affecting the personal information of its users. The specific type of breach and the exact date it began remain unspecified in the public record.

For individuals who have received a direct notification letter from Chess.com LLC, this means your personal information may have been compromised as a result of this incident. The public filing from the company does not detail the specific categories of data that were involved, referring to it in general terms as "the information involved."

As an online service provider, Chess.com LLC typically handles various forms of user data to facilitate gameplay, subscriptions, and account management. The company's current status regarding the incident is "investigating," indicating ongoing efforts to assess the full scope and impact of the security event.

If you received a notification, it is crucial to carefully review the letter from Chess.com LLC for any specific advice or information they provide. Consider monitoring your online accounts for any unusual activity and be vigilant against unexpected communications that might attempt to solicit personal details.

This information is based on public filings made by Chess.com LLC with regulatory bodies, provided to inform affected individuals about the reported incident and to help them verify details against any direct notifications they may have received.

Questions about this case file

Where does the Chess.com LLC case file come from?: Every entry is taken from the breach report Chess.com LLC lodged with the New Hampshire Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

New Hampshire data breaches

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Timeline

Case facts

Case notes

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