Chess.com (2023) data breach (2023-11-08) — 1,274,077 accounts
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.
- Published by source
- 2023-11-10
- First seen by Reality Radar
- 2026-10-20
- Last verified
- 2026-10-20
Affected
- Manufacturer
- Chess.com (2023)
- Products
- Chess.com (2023)
Whether your exact unit is affected depends on the model, serial number and region in the official notice.
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Sources
- Have I Been Pwned — breach catalogue Tier B published 2023-11-10
Evidence ledger
Every piece of evidence we store is appended to a public hash chain, so later edits are detectable. Anyone can re-verify it.
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