Computers under Attack

                The virus has three types that can damage computers of any users. Firstly, a Trojan Horse takes credit card or bank secret words. Secondly, a Spyware conceals within the computer and catches information of the computer owners. Finally, a Spam is undesirable advertising, some people use a spam to cheat people and to take money from them (Philpot, 2011: 47).

Reference:

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