A network security key is basically your Wi-Fi password — it's the encryption key that your password unlocks to allow access ...

WPA2 is currently the recommended password type for Wi-Fi routers, and lets you secure your network with a custom password.

i just replaced my old 'b' router with a netgear 54g router. I set all up in windows first and configured WPA security, and changed the name, (from NETGEAR default to a made up one) and I was online ...