Malware categorization and recognition problem

Nowadays, in this modern technology based society, information is the most valuable commodity on the market. Because of its prize, ways of stealing and misusing of the information are still being developed. This developing process is done each time by more and more sophisticated ways. To be able to react on this kind of thread, to protect sensitive data and to be able to choose appropriate solution for protecting them and for preventing them from damage, man should be familiar with processes behind and should be able to exactly define the whole menace and every possible dangerous scenario behind it.