{
  "id": 4846517,
  "title": "Massive 12TB Steam Leak Exposes A Decade Of Valve, Third-Party Game Data",
  "url": "https://urgent.news/2026/09/01/massive-12tb-steam-leak-exposes-a-decade-of-valve-third-party-game",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-09-01T10:48:41.000Z",
  "source": {
    "name": "Lowyat.NET",
    "slug": "lowyat-net",
    "url": "https://www.lowyat.net/2026/402815/massive-12tb-steam-leak-decade-of-data/"
  },
  "original_language": "en",
  "account": "A massive 12TB leak has exposed a decade's worth of data from Valve and third-party game developers. The leaked data, known as the Steam2 Content Server Dump or \"the Dump,\" contains materials uploaded to Steam between 2003 and 2013. This includes Valve's own titles like Portal 2 and cancelled projects such as Half-Life 2: Episode 3, as well as games from other developers like GTA V, Call of Duty, Dragon Age: Origins, and more. The leak did not result from a hacking incident but rather from Valve's negligence, as the data was publicly available online and could be downloaded without any password protection. Gabe Follower, a Valve content creator, and Gabe Follower from YouTube confirmed that someone with sufficient knowledge simply found an endpoint from which they could download the entire data set. The leaked data is currently being analyzed, revealing interesting findings such as the cancelled Half-Life 2: Episode Three, beta versions of Left 4 Dead 2 and Portal 2, cut content from Counter-Strike: Global Offensive, and a prequel to Portal called F-Stop. Additionally, the leak includes files from third-party games like Grand Theft Auto V, Civilization V, Batman: Arkham Asylum, and Sonic the Hedgehog 4: Episode II. The leak encompasses games that were available on Steam up to 2013, when the company replaced its previous content distribution system, Steam2, with SteamPipe. At the time of writing, Valve has not commented on the situation.",
  "summary": "Valve has reportedly suffered one of its biggest leaks yet. More than 12TB of data has surfaced online, which allegedly contains a vast amount of material uploaded to Steam between 2003 and 2013. Not only did this data include the gaming giant’s own titles like Portal 2 and the cancelled Half-Life 2: Episode 3, but […] The post Massive 12TB Steam Leak Exposes A Decade Of Valve, Third-Party Game…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 2,
    "also_reported_by": [
      {
        "outlet": "CNET",
        "title": "Huge 12TB Leak Exposes a Decade of Steam’s Game Data",
        "url": "https://urgent.news/2026/08/31/huge-12tb-leak-exposes-a-decade-of-steams-game-data",
        "published": "2026-08-31T19:29:21.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}