Cheat in debug mode

As far as I know, methods of dealing with this no or am I mistaken?

Cheat is taking all steps to process the client could not determine the presence of a debugger, and moreover, the client never even tries to identify this presence.

On the server side except for the memory test the client any opportunities there, and check out essentially nothing, as no data is changed. Cheat is run in the debugger, that is, he takes control of the execution process of the client. Cheat is a virtual computer that is running the client…

Who, what will advise?