Computers under Attack

      It is said that there are three kinds of virus that cause difficulties for people who use computers. A Trojan Horse is created to take particulars of bank card or bank-secret words, a Spyware is a jeopardy virus which assembles data about the computer's proprietor, and a Spam is the less destructive trouble that someone are now applying it to defraud people and to take money from them (Philpot, 2011: 47).

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