Data breach
Chess.com (2023)chess.com
1 274 077 accounts exposed in a breach dated 2023-11-08.
Breached2023-11-08Added to HIBP2023-11-10 UTCUpdated by HIBP2026-09-13 UTCAccounts1 274 077Domainchess.com
Verified
What happened in Have I Been Pwned’s words
In November 2023, over 800k user records were scraped from the Chess.com website and posted to a popular hacking forum. The data included email address, name, username and the geographic location of the user. A further 446k scraped records were later provided and added to HIBP.
Exposed data as HIBP classifies it
- Email addresses
- Geographic locations
- Names
- Usernames
How HIBP qualifies it
- HIBP verified that the data came from this service.