Chess[.]com Announces Data Breach Via Third-Party App

Chess[.]com Announces Data Breach Via Third-Party App

Chess.com experienced a data breach that exposed personal information of over 4,500 users through a third-party file transfer application. The company responded by notifying affected users and enhancing its security measures. #ChessDotCom #DataBreach

Keypoints

  • The breach occurred between June 5 and June 18, 2025, due to unauthorized access to a third-party application.
  • Chess.com discovered the intrusion on June 19 and alerted federal law enforcement authorities.
  • Personal data such as names and other PII was accessed, but core infrastructure and passwords remained secure.
  • The company is offering free identity theft and credit monitoring to affected users.
  • Additional security measures have been implemented to prevent future incidents.

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