When the software detects a cheat on a player's system, it will ban them in the future, possibly days or weeks after the original detection. It may kick players from the game if it detects errors in their system's memory or hardware. No information such as date of detection or type of cheat detected is disclosed to the player. After the player is notified, access to online 'VAC protected' servers of the game the player cheated in is permanently revoked and additional restrictions are applied to the player's Steam account.ĭuring one week of November 2006, the system detected over 10,000 cheating attempts. ĭuring the month of December 2018 over 600,000 accounts were banned. In 2001, Even Balance Inc., the developers of the anti-cheat software PunkBuster designed for Counter-Strike and Half-Life mods, stopped supporting the games as they had no support from Valve. Valve had also rejected business offers of integrating the technology directly into their games. Valve started working on a 'long-term solution' for cheating in 2001. VAC's initial release was with Counter-Strike in 2002. During this initial release, the system only banned players for 24 hours.

The duration of the ban was increased over time players were banned for 1 year and 5 years, until VAC2 was released in 2005, when any new bans became permanent.

VAC2 was announced in February 2005 and began beta testing the following month. On November 17, 2006, they announced that 'new technology' had caught 'over 10,000' cheating attempts in the preceding week alone. Ĭuring the early testing phase in 2002, some information was revealed about the program via the Half-Life Dedicated Server mailing lists. Cs go vac ban remover download software#.

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