WiFi for dummies
Security Focus comlumnist, Scott Granneman, just published this nice wireless security guide for dummies. It's worth a look!
"The average user has no idea of the risks associated with public WiFi hotspots. Here are some very simple tips for them to keep their network access secure."
You can also have a look at a similar article I wrote about the subject a few weeks ago: Securing your Home Wireless Network : A simple security guide