The improved Norton Protection System features multi-layered security technologies that work together to provide comprehensive protection that helps detect and remove identified threats before they can harm your PC. You are provided easy-to-understand threat and performance information and will help prevent threats from sneaking in through vulnerabilities in your operating system, applications, and browsers.

It analyses downloads before you install and run them. It even warns you of unsafe websites right in your search results. New Norton System Insight ensures strong protection that's light on CPU and memory resources. It offers the fastest install time, the fastest boot time, the fastest scan speeds and the lowest memory requirements of any Internet security suite. Read more.