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Server Culling is an announced RICOCHET Anti-Cheat feature for Call of Duty: Modern Warfare 4 that aims to limit wallhacks by withholding hidden-opponent location data from a player’s hardware when that player should not be able to see it. It targets information a cheat could expose, rather than proving that wallhacks have been eliminated. The announcement describes its intended coverage, but supplies no test results or effectiveness figures.
How Server Culling is meant to work
In its October 2, 2026 announcement, Call of Duty described Server Culling as a new layer of RICOCHET Anti-Cheat. The stated idea is to avoid sending a player’s device opponent-location data that the player should not have access to. If that information never reaches the device, cheat software has less hidden-location information available to reveal.
That is an information-control measure: it aims to limit what a client receives, rather than simply detect a cheat after it has accessed information. The announcement does not explain the technical rules used to decide when an opponent’s location is hidden, or how the system handles particular gameplay situations. GamingTrend’s report reproduces the announcement; it is not an independent technical test.
Which maps and modes are included in the announced scope?
The announcement says Server Culling will cover every map available at launch, including DMZ and Combat Outpost. It also says new live-season maps for Multiplayer, DMZ, and Call of Duty: Warzone will be covered beginning with Season 1 and beyond. These are the publisher’s stated plans; the cited report does not independently verify that rollout.
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How it fits into RICOCHET Anti-Cheat
Server Culling is presented as another layer in a broader anti-cheat approach, not as a replacement for detection or enforcement. Activision’s security policy describes RICOCHET as using client-side and server-side detection, monitoring applications running during gameplay, behavioral anomaly detection, and hardware-integrity checks. The policy applies its security rules to Call of Duty titles from Modern Warfare (2019) onward and explicitly identifies wallhacks as unauthorized cheating software.
In practical terms, those approaches serve different functions: Server Culling is intended to restrict access to certain opponent-location data, while the policy describes ways RICOCHET looks for indications of cheating and enforces its rules. Activision’s policy page is in Italian; its description of RICOCHET’s methods translates as “RICOCHET Anti-Cheat seeks indications of cheating in various ways.” Activision’s security and enforcement policy is displayed with a date of August 14, 2026.
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Does Server Culling mean wallhacks are gone?
No such result is established by the announcement or the policy. Neither source provides a measured success rate, false-positive rate, latency impact, or independent test result for Server Culling. The feature is designed to reduce the hidden-opponent information available to cheat software; the available evidence does not show that it blocks every wallhack or eliminates cheating.
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