In the computer world today it is important to remember that at every second your computer is at risk of being contaminated with an ugly virus. There are many ways your computer may become infected from e-mail viruses to Trojans. These infections can cause damage to your hard drive, attach themselves to your programs, or can even spread to other peoples computers from your e-mail.
http://www.infodaily.org/Topics/Internet-S...us-Software.asp
