Chess.com Leak Exposes 7.3M Users, Evidence Points to Scraping
Chess.com Leak Exposes 7.3 Million Users – Evidence Points to Scraping 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 forums this week, no cost, no ransom demand, just handed out.
- ▪Chess.com Leak Exposes 7.3 Million Users – Evidence Points to Scraping 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 forums this week, no cost, no ransom demand, just handed out.
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Record
| Original publisher | Security Affairs |
| Canonical URL | https://securityaffairs.com/197174/breaking-news/chess-com-leak-exposes-7-3-million-users-evidence-points-to-scraping.html |
| Publication time | Mon, 14 Sep 2026 03:26:51 +0000 |
| Retrieval time | 2026-09-14T05:16:50.964Z |
| Last seen | 2026-09-14T05:16:50.964Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | E9QcR1pnel4V · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Chess.com Leak Exposes 7.3 Million Users – Evidence Points to Scraping 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 forums this week, no cost, no ransom demand, just handed out. Ransomnews’s technical analysis confirms the data is real and recent. What it isn’t, on the evidence, is a hack. “The archive is a single 744 MB 7-Zip file that expands to a 15.5 GB tab-separated table: one header row and 7,337,395 records, each with 38 fields.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Security Affairs.
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