+ 0 Votes Reponse To Answer digital riverrat 3 years ago Get behind a router, too. This won't stop determined and knowledgeable hackers, but it's a very good start. You can also use it to close ports you don't use. Most people only use the web. Which means that you really only need a couple of ports open. If you have an external email application, that adds one or two more ports to open. Hackers take advantage of open ports in the higher ranges quite often, so closing these off can often-times defeat them. Also, installing and using a traffic monitor can tell you what port is being used and where the traffic is originating and ending.