Computer under Attack

It  is said that the viruses cause problems  for all users are Trojan Horse, Spyware, and Spam. The first type  takes credit card details or bank- secret word. The second is a Spyware that  conceals  inside a computer and accumulates information about the computer's owner.  The  last one is a Spam, it is a  junk mail that some people are now using it to cheat another people and to take money from them( Philpot, 2011 : 47).

Reference:  Philpot, S. (2011). “ Computers  under Attack.” Academic Skills. Oxford: Spain