Massive 12TB Steam leak reveals decades of unreleased games — archived files include unseen Half-Life 2: Episode 3 builds and assets
Summary
Tom's Hardware reports on a massive Steam data leak involving 12–13TB of archived Valve content exposed due to a public endpoint rather than a hack. The dump includes Valve internal projects and third-party assets from 2003–2013, with notable references to Half-Life 2: Episode 3 and Portal 2-era content. The piece frames the leak as an endpoint exposure issue rather than a traditional breach, offering historical insight into Valve's development history and data-security lessons for archives.