The best way to make sure your Wi-Fi is secure? This article suggests you hack yourself. Heh...he said "penetration testing." big grin Here are some Wi-Fi hacking techniques and the tools — nearly all free — you can use for penetration testing. These tools will help you uncover rogue access points, weak Wi-Fi passwords, and spot other weaknesses and security holes before someone else does.
I know what I doing this week, as you may know by now I love articles like this just checkout the Tutorials tab that I have did over the years just from Maximum PC alone. Most of them can from there Magazines I think its a little over 150+ tutorials have fun.
Source: HardOCP