Best anti-cheat for CS is Cheating-Death. This anti-cheat is a 2-ooh parts: server and client. To connect to a secure anti-cheat server, you need to download and install only the client C-D. Before the game client, you should run. Download anti-cheat you can here ==> http://depositfiles.com/files/byqb836bs
This anti-cheat is constantly updated, what is its biggest advantage. For server administrators need to do the same to download Cheatin-Death Server and install it.
Do not forget that the CD is not compatible with integrated anti-cheat company Valve - VAC. So, if you are using VAC and want to switch to CD, then disable the VAC, is registered in the file liblist.gam-- secure "0".