The role of the PC firewall is to ensure that you do not have to deal with computer viruses. We all know that the viruses are much more difficult to deal with when they have already infiltrated the system. It is better to prevent them from getting there in the first place. The industry has been developing over the past few years and the experts are finding new ways of increasing the security of users. Some of the packages are paid for at a minimal cost while others are completely free. The problem with free services is the possibility they may not deliver the full spectrum of services that you need in order to secure your gadget.
