Heating prevention in multi-player online games

Tittle of the article Distributed virtual environments (Computer science)
You have to write an article about Cheating prevention in multi-player online games.
2000 (words)
You have to analyst two cheats.
Discuss about how they cheats, how to effect, which methods they use and give suggestion how to protect the cheating.
Harvard referencing style , need 5 references to cite in support the critique and any argument that is part of the critique.
This critique will be judged according to the following elements:
Structure, format and style including referencing
Quality of written English
Quality of argument including suitability and use of references.
The argument should be clear about the standing/authority of the reference.
The degree of understanding shown about the new topic