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[TECHNOLOGY] · 57 sources

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Part of situation: Valve Steam data leak (2 clusters)

Valve Steam leak exposes 12TB of historical game data

Steam Teraleak Valve Corporation game development leak Steam2 architecture video game preservation

A massive archive of approximately 12 to 13 terabytes of data, known as the ‘Steam Teraleak,’ has surfaced online. The collection consists of internal files, development builds, and assets from Valve’s legacy Steam2 content delivery system, covering the period between 2003 and 2013.

Researchers and dataminers indicate that the leak was not the result of a recent hack, but rather the result of accessing a publicly accessible API endpoint that was left unsecured. The data includes early, playable builds and prototypes for several major Valve titles, including Portal 2, Left 4 Dead, and Counter-Strike: Global Offensive. Notable findings include unused dialogue for GLaDOS, experimental mechanics for Portal 2, and assets related to the unreleased project F-Stop, a cancelled Portal prequel.

Furthermore, the archive contains traces of the highly anticipated but unreleased Half-Life 2: Episode Three, including weapon models such as the ‘Weaponizer’ and references to ice-based gameplay. Beyond Valve’s own catalog, the leak includes third-party assets and beta builds for various other games, such as Call of Duty, Fallout, Sonic the Hedgehog 4, and Spec Ops: The Line. Valve has not yet issued an official statement regarding the incident.

Entities

Ars Technica · Gabe Follower · Half-Life 2 · Half-Life 2: Episode Three · Left 4 Dead · LunchHouse Software · Portal 2 · Scolcer · Steam · Valve · Valve Corporation

Claims

What the coverage asserts, and how many sources carry each claim.

Sources

Más de 12 TB de juegos y betas nunca vistas de Steam se han filtrado en internet: y no ha sido un hackeo [dominicanaaldia.com]
11 days ago
12TB Arsip Steam Bocor, Aset Half-Life 2 Episode 3 Muncul [gizmologi.id]
12 days ago
RayHaber - Steam’den 12 TB Veri Sızdırıldı! [rayhaber.com]
11 days ago
Steam Kebobolan 12 TB Data, Ungkap Proyek Gim Tak Dirilis Valve [technologue.id]
12 days ago
Un jeu Scream en ligne entièrement jouable découvert dans la fuite massive de Steam [www.battlefield-france.com]
10 days ago
Reported 12TB Steam Archive Leak Reveals Decade of Internal Game Builds [www.guru3d.com]
12 days ago
Arsip 13 TB Steam Bocor, Begini Isi Game Valve yang Tak Dirilis [ototekno.harianjogja.com]
11 days ago
A Steam depot archive has leaked online with an unreleased 2011 build of Spec Ops: The Line [spilled.gg]
11 days ago
Fuite Steam : 10 ans d'histoire du jeu vidéo révélée [1001infos.net]
12 days ago
Fuite Steam : Half-Life 2 Episode 3 refait surface [www.1001web.fr]
11 days ago
Filtración masiva de datos en Steam: 12 TB expuestos [androidayuda.com]
11 days ago
Steam旧システムのデータ「12TB分」が発掘される。幻の『Portal』前日譚など、“失われた10年”が暴かれる [automaton-media.com]
12 days ago
Mega leak Valve: Portal 2, Left 4 Dead e possibili tracce di HL3 [www.batista70phone.com]
11 days ago
Z Valve wyciekło 12 TB plików. Gracze dokopali się do anulowanej gry twórców Half-Life’a [cdaction.pl]
12 days ago
Un leak Valve de 12 TB include indicii despre Half-Life 2: Episode 3 și versiuni nelansate ale altor jocuri [www.connect.ro]
12 days ago
Wyciekło ponad 12 terabajtów danych ze Steam. Skala znaleziska robi wrażenie [gry.interia.pl]
11 days ago
Steam 12TB資料疑外流　長達約10年遊戲大量Beta版本曝光 | ETtoday遊戲雲 | ETtoday新聞雲 [game.ettoday.net]
12 days ago
Valve vittima di un leak: 12 TB di file svelano progetti non annunciati [www.gamerbrain.net]
12 days ago
Gigantyczny wyciek 12 TB danych ujawnia sekrety Valve. To jednak nie atak hakerski [www.instalki.pl]
12 days ago
12-TB-Steam-Leak: Unfertige Valve-Assets aus Portal 2 und Half-Life 2: Episode 3 [www.it-boltwise.de]
12 days ago
Steam-Datenleck: Zwölf Terabyte an alten Spielen aufgetaucht [winfuture.de]
12 days ago
Filtración masiva: Más de 12 TB de juegos y betas inéditas de Steam (2003-2013) salen a la luz [www.masgamers.com]
11 days ago
12TB Steam Teraleak Wey Don Spill 10 Years of PC Gaming History [nnn.ng]
12 days ago
Steam : Une fuite massive de 12 To expose une décennie d'histoire PC [www.nouvelles-du-monde.com]
12 days ago
Opava v mobilu. Nová aplikace přinese zprávy z radnice přímo do telefonu [opavsky.denik.cz]
11 days ago
12TB of Steam Files Leak as a Decade’s Worth of First- and Third-Party Game Data Is Exposed [pk.ign.com]
12 days ago
Valve sufre la filtración más grande de su historia, hasta 13 TB de datos [www.profesionalreview.com]
12 days ago
RaillyNews - Leak of 12TB Data From Steam Exposes Sensitive Information [raillynews.com]
11 days ago
Yli 12 teraa Steam-pelejä ja -betoja vuodettiin verkkoon [respawn.fi]
12 days ago
Valve, un leak riporta a galla vecchi segreti [www.spaziogames.it]
12 days ago
Valve, maxi fuga di dati da 12 TB: online file interni, prototipi e progetti cancellati [www.uagna.it]
12 days ago
Vazamento da Valve expõe builds de Portal 2 e Half-Life 2 [arkade.com.br]
11 days ago
Vazamento de arquivos do Steam expõe 12 TB de dados de jogos acumulados ao longo de uma década [br.ign.com]
11 days ago
12 To de fichiers Steam ont fuité, laissant une décennie entière de données de jeux (first party et éditeurs tiers) exposée [fr.ign.com]
12 days ago
Gigantisk Steam-lekkasje inkluderer tidlige versjoner av Portal 2. . . [www.gamer.no]
12 days ago
Valve uniklo přes 12 TB dat. Objevuje se v nich i třetí epizoda pro Half-Life 2 [games.tiscali.cz]
11 days ago
Gigantischer Steam-Leak: 12 TB alte Spieldaten landen im Netz, darunter unveröffentlichte Betas und Spuren von Half-Life 2: Episode 3 [www.gamestar.de]
11 days ago
Valve laisse fuiter 13 To d'archives [www.generation-nt.com]
11 days ago
Wyciek 12 terabajtów danych ze Steama. Do sieci trafiły tajne pliki GTA 5, Half-Life 2 i setek innych gier [www.gry-online.pl]
12 days ago
A 12TB Steam 'Teraleak' Spills More Than a Decade of Lost PC Gaming History - Slashdot [games.slashdot.org]
11 days ago
Massive 12 Terabyte Valve Leak Exposes a Decade of Unreleased Games and Possible Episode 3 Assets [www.ibtimes.com.au]
12 days ago
12-TB-Steam-Leak: Fans graben „Half-Life 2: Episode 3“ aus [www.ifun.de]
11 days ago
12TB of Steam Files Leak as a Decade’s Worth of First- and Third-Party Game Data Is Exposed [in.ign.com]
12 days ago
Massive Steam leak sees 12TB of developer files released online [www.kitguru.net]
11 days ago
Steam sufre la mayor violación de datos de la historia de los videojuegos: 12 TB [www.muycomputer.com]
12 days ago
12TB of Steam Files Leak as a Decade’s Worth of First- and Third-Party Game Data Is Exposed [nordic.ign.com]
12 days ago
12TB of Steam Files Leak as a Decade’s Worth of First- and Third-Party Game Data Is Exposed [sea.ign.com]
12 days ago
Mega leak Valve: 12 TB di dati interni trapelati online, e la community cerca Half-Life 2 Episode 3 [www.smartworld.it]
11 days ago
Tarihin En Büyük Oyun Sızıntısı: 12 TB'lık Steam Arşivi Yayılıyor [www.tamindir.com]
12 days ago
12 terabyte med Steam-data lekket på nett [www.tek.no]
12 days ago
Massive 12TB Steam Leak Exposes a Decade of PC Gaming History [time.news]
12 days ago
La mayor filtración de la historia de Steam es como entrar en la Cueva de las Maravillas de Aladdin [www.vidaextra.com]
12 days ago
12TB of Steam Files Leak as a Decade’s Worth of First- and Third-Party Game Data Is Exposed [za.ign.com]
12 days ago
Un descuido de Valve deja al descubierto 12 TB de juegos y betas inéditas de Steam [www.20minutos.es]
10 days ago
Steam-Zeitkapsel: 12 TB alte Builds lagen offen im Netz [www.computerbase.de]
12 days ago
A Decade Of Lost Valve Games Uncovered In Massive 12TB Steam Leak [hothardware.com]
12 days ago
Valve suffers massive 12TB leak, revealing a decade of Steam game files [mashable.com]
12 days ago