A pair of researchers have created a tool to identify and capture the social networking sessions of those around you. The tool, a Firefox browser extension dubbed Firesheep, was demonstrated at the ToorCon Hacking Conference in San Diego on Sunday. Its primary purpose is to underscore the lack of effective transaction security for many popular social networking applications, including Facebook, Twitter, Flickr and iGoogle. They warned that, without wider use of secure transaction tools for end-to-end Web encryption like SSL, more users were likely to fall victim to such attacks.
Source: https://threatpost.com/plugin-firesheep-lays-open-web-20-insecurity-102510/74604/