Steve Lamb of Microsoft created this 5 part series on securing a Wireless network. If you unsure how to do this then check it out, complete with videos.
- How to secure a wireless network: Part 1 of 5 – Enabling WPA on a wireless router
- How to secure a wireless network: Part 2 of 5 – How to change the SSID
- How to secure a wireless network: Part 3 of 5 – Reconfiguring a Vista client to connect to your WPA secured access point
- How to secure a wireless network: Part 4 of 5 Connect using WPA for the first time on Windows Vista
- How to secure a wireless network: Part 5 of 5 – Connecting using WPA for the first time on XP