Wifi Security Tips

Keep your data safe when connecting to public wireless hotspots
http://www.gadling.com/2010/03/22/keep-your-data-safe-when-connecting-to-public-wireless-hotspots/

Useful wifi tips for travelers:

Any time you connect to a public Wi-Fi hotspot, almost every single piece of data you transmit can be picked up by anyone within range of the same network...Now, before you freak out too much, you need to know that not all traffic is susceptible to snooping, and that there are ways to protect yourself.