Want to hack someone else's Amazon, Facebook, Twitter or Windows Live account in just one click? A Firefox extension called Firesheep claims you can by hijacking a person's current user session over an open Wi-Fi connection.
I tested the extension out and to my horror it works as advertized - almost that is.

Firesheep was created by Seattle-based software developer Eric Butler who said he created the extension to highlight the security risks associated with session hijacking, also known as sidejacking.

Firesheep targets 26 online services, and includes many popular online services such as Amazon, Facebook, Foursquare, Google, The New York Times, Twitter, Windows Live, Wordpress and Yahoo. The extension is also customizable allowing a hacker to target other Websites not listed by Firesheep.

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