[Neil's World - Not the world you expected] Almost all wireless networking technology supports a minimum of WEP encryption, which at worst will stop casual hackers from getting in. It’s likely, however, that your router, and indeed the rest of your hardware, will support WPA encryption, which is very strong and will stop less than honest neighbours stealing your bandwidth, or worse, any of your network data.
Some related posts from Technorati and Google.
[SeanDaniel.com on SBS 2003 & other Tech-stuff] Securing your Wireless Network with WPA: I was wondering one day what WEP actually stood for, and when the first hit that came up was Tom's Hardware Guide on how to crack WEP securitiy. Hrm, when something is as easy to crack as WEP is, it comes up on a search prior to the definition.
[FatBusinessman.com] Wireless, Linux and encryption, oh my!: In light of this, I got hold of a wireless card and an access point and, after a bit of work, managed to get a connection into my Windows box which was more or less reliable (barring the odd occasion when Windows would disconnect me from my WPA-encrypted network and say “Hey, I’ve found some of your neighbours’ networks for you to connect to!”
Reflected tags on Technorati: Blog, Encryption, Global Security Watch