Norton Internet Security 2011 is a very reliable product that allows you to be safe online. The product has been rated according Pcworld.com as the best Antivirus suite in 2011. The advantages of having Norton are many: first of all it’s a very light product, meaning that it does not take much of your cpu; in addition, it has several configuration options that require you to make some tweaks. For example, if you share multiple computer and a printer, once you have installed NIS, these devices may not work, because the Network Security Map is not properly configured. As a matter of fact, you have to create a trusted zone in which all the devices you have in the same network can communicate each other. This said, Norton products get the best rating in the market because they offer also a complete overview on how the company fights against the hackers and aims at improving the security of our machines.