
If your PC is connected to the Internet, you are a potential target to an array of cyber threats, such as hackers, keyloggers, and Trojans that attack through unpatched security holes.

So for those who feel unsure, keep reading to find out why a firewall is a necessary part of your online defense. Firewall can also be a term that not many are familiar with.Īccording to a study by National Cyber Security Alliance, only 4 percent of Americans say they understand firewalls "completely", while more than 44 percent don't understand firewalls at all - or know if they have one enabled on their PC.


Some of us may be unfamiliar with the many tech terms that spruce up every so often.
