"Despite the convenience, free public Wi-Fi networks like those found in hotels, Starbucks, and McDonald's are also a serious risk when it comes to your data and personal information. A new Firefox plug-in makes it even easier for tech novices to snoop wireless traffic, making it even more crucial than ever that users understand the risks and take precautions when using Wi-fi hotspots.
The Firesheep plug-in was developed by security researchers to highlight how insecure public Wi-Fi networks can be. Mission accomplished. Unfortunately, the tool works quite well, and its public availability now places a relatively powerful snooping tool that requires virtually no hacking skills or exceptional tech knowledge in the hands of anyone." See the rest HERE