# Report: 13TB of Steam data leaked after users access 'publicly accessible endpoint'

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-02 00:29 UTC · Category: Technology · Sources: 2 · Current Velocity: 0.71

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| tech-insider.org | Fully Playable Scream Game Found in Steam Leak: 12TB [2026] | 2026-08-31 23:23 | [Source Link](https://news.google.com/rss/articles/CBMifkFVX3lxTE9td0V3M3FaR0c4bkZnUnRrZnNoZWg1Zy10aklZRVRsdTNSVTRhNUpMQXZSOC1JRHVZbWhhYlc4WGg4TnA2RnVhcDZEdFRZZXpPdDdZYmdxWk83MWVQYlZkc200RXdSS3ROQUlOdGtNWmJIbF9ldjVTT3BiME56UQ?oc=5) |
| Collider | 'Half-Life 3' and 'Portal' Officially Get Huge Updates Following Valve Breach | 2026-08-31 23:23 | [Source Link](https://news.google.com/rss/articles/CBMie0FVX3lxTE8zWnJSajdNdmRfRXZQZWh6Y1FtTkl1cWhncmNZaEE5T2YxQjAwQTVVUVg3RnJIX2xqREUwSHgtdjltS3pMTGZLZHpqVHBYSktxSVpvdUl2b2VKc0Q2bDN0Yk1VVFhrMC1tYUVpbmstREFKRi1ZbmowVVY1MA?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-02/report-13tb-of-steam-data-leaked-after-users-access-publicly-accessible-endpoint*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*