Computers under Attack

                There are three kinds of virus causing problems for any computer users: a Trojan Horse, Spyware and Spam. First of all kind is known as a Trojan Horse. It is created to obtain credit card or bank details. Another dangerous kind of virus is a Spyware. It is congregated information about the computer’s owner. Finally, less dangerous problem is Spam, or unwanted advertising. It is used for deceiving people and obtaining cash from them. (Philpos, 2011 : 47)

Reference:

Philpost, S. (2011). Academic Skills. Oxford: Spain