http://lifehacker.com/5953047/how-to-cr ... -passwordsCracking Wi-Fi passwords isn't a trivial process, but it isn't difficult. Learn how it works so you can learn how to protect yourself.
How to Crack a Wi-Fi Network's WEP Password with BackTrack
http://lifehacker.com/5305094/how-to-cr ... -backtrack
How to Crack a Wi-Fi Network's WPA Password with Reaver
http://lifehacker.com/5873407/how-to-cr ... ith-reaver
The article says this isn't news and it is already on the internet so people know already.