If you haven't heard of Norton Security Software, then chances are good to your computer is not as secure as it needs to be. Norton is one of the best leading manufacturers of software that protects your computer from viruses, spyware, malware, adware, and other annoyances that attempt to access and do damage to your computer system. By installing Norton anti-virus and some of their other products on your computer, you will be protected from almost all threats lurking on the Internet.