Valve has announced that game developers must now disclose the presence of certain anti-cheat tools in Steam.

This pertains to programs that, using third-party clients, scan not the game's servers but the user's operating system itself. Such measures are actively used in multiplayer games like Apex Legends, Fortnite, and Call of Duty: Warzone.

Developers of projects utilizing these programs will need to provide a special warning in Steam that will appear on their game's page.

This warning must also be added by developers whose games were released on Steam prior to the rule changes. Valve stated that they will reach out to the creators of such games regarding this matter.

If the anti-cheat measures only monitor server data, a specific warning will not be required.

The issue of cheaters in multiplayer games has existed for a long time, and developers have employed various methods to combat them. However, recently there have been concerns that some anti-cheat systems gain too much access to players' hardware, creating a risk of significant vulnerabilities that not all players are willing to accept. This change in Steam is likely related to those concerns, which is why the warning is becoming much more explicit.

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