Viruses and Malicious Software - How to Protect Your Computer Category: Firewall Malicious software, or malware, is likely the most widespread problem faced by computer users today. As a computer technician, I find that about three out of four jobs I do for home computer users are to remove malware in one form or another.
Malware programs come in several forms: Spyware and adware track your activities when surfing the Internet and bombard you with pop-up advertisements.