Hardware
Before we look at the actual PC which will connect to the internet I will outline a few precautions which will be highly beneficial to network security.
1. Use a router, not a modem.
A modem simply directs all internet traffic straight to your PC, which is inherently unsafe for any Operating System.
A router acts as a gateway (or a letterbox if you will). The router is what is directly connected to the internet, not the PC. The router is specifically designed where your PC needs to rely on software to …