Garry's Mod SAM anticheat measure that prevents hackers from tracking administrator activity.

ghost.lua

if SAM_LOADED then return end

local sam, command, language = sam, sam.command, sam.language

command.set_category("Anticheat")
    
local function RecursiveSetPreventTransmit( ent, ply, stopTransmitting )
    ent:SetPreventTransmit( ply, stopTransmitting )
    local tab = ent:GetChildren()
    for i = 1, #tab do
        RecursiveSetPreventTransmit( tab[ i ], ply, stopTransmitting )
    end
end

sam.command.new("ghost")
    :SetPermission("ghost", "trialstaff")
    :Help("Prevents the server from sending any further information about you to certain players.\n(0=Off)\n(1=On)")
    :AddArg("player", {cant_target_self = true})
    :AddArg("number", {
    	default = 1,
	hint = "toggle",
	min = 0,
	max = 1,
    })
    :OnExecute(function(calling_ply, targets, toggle)
    	for i = 1, #targets do
            RecursiveSetPreventTransmit( calling_ply, targets[i], toggle == 1 )
        end
        sam.player.send_message(calling_ply, toggle == 1 and "Ghost activated!" or "Ghost deactivated!") 
    end)
    :End()