GoKawiil12TB Steam2 server dump exposes unreleased Valve and third-party game data
A 12-terabyte archive of data from Valve's old Steam2 content servers, used between 2003 and 2013, has surfaced via BitTorrent in an incident dubbed the 'Teraleak.' The trove reportedly contains unreleased builds and prototypes from Valve and other developers, including early Portal 2 prototypes and a Sonic the Hedgehog 4 build, and appears to have been assembled from publicly accessible endpoints rather than a hack.
GoKawiil's interpretation of the reporting above, not reported fact.
Because the data was reportedly gathered through open access points rather than a breach, the leak raises questions about how long sensitive development files sat exposed and who else may have quietly collected them over the past decade. It also hands researchers and enthusiasts a rare look at cut content and prototypes, but distributing it risks copyright and legal issues for third-party developers whose unreleased work is included.
- The leak spans data from Valve's Steam2 architecture used from 2003 to 2013.
- No hacking was involved; data reportedly came from publicly accessible endpoints.
- The archive includes unreleased prototypes like early Portal 2 builds and Sonic the Hedgehog 4 content.
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Published there as: “A massive Valve leak just exposed 12TB of old Steam data, no hacking required”
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