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Main Information
Valve Anti-Cheat (VAC) is an anti-cheat developed by Valve Software as a component of the Steamworks platform, released with Counter-Strike in 2002.
False Positives
There are only 10 known instances of the system kicking or banning for false detections. The most prolific in July 2012 after ~12000 Call of Duty players were mistakenly banned.
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