## Chess.com (2026): 4,653,212 件のアカウント情報が流出

- 種別: breach
- 重大度: high
- 公開日時: 2026-09-13T13:09:11.000Z
- 情報源: Have I Been Pwned (https://haveibeenpwned.com/PwnedWebsites#Chess2026)
- パーマリンク: https://vulnpulse.app/items/hibp-bc7f9b0c82c8

chess.com / 侵害日 2026-08-03 / 漏洩データ: Email addresses, Geographic locations, Names, Usernames
In August 2026, millions of records allegedly sourced from Chess.com were posted online . The data contained 7.3M rows with 4.6M unique email addresses, along with usernames, names, countries and data relating to users' Chess.com accounts. Analysis of the data suggested it had been obtained by scraping. When loaded into HIBP, 99% of the email addresses had already appeared in previous data breaches, further supporting the scraping theory. Read more about scrapes and data breaches.