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Chess.com Leak Exposes 7.3 Million Users

Chess.com Leak Exposes 7.3 Million Users

Securityaffairs.Co Pierluigi Paganini August 14, 2026

7.3 million Chess.com profiles leaked online: the data is genuine, but evidence points to large-scale scraping, not a server breach. Free is a strange price for stolen data, and that’s exactly what makes this listing worth a second look. A 15.5 GB file containing over 7.3 million chess.com user records showed up on two data-leak […]

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