In order to log into a website, a user has submit details like his or her username and password. The server validates these data and sends back a “cookie”. The websites usually encrypts the password however does not encrypt other details which leaves the cookie exposed to hacking threats which are also known as HTTP session hijacking. Firesheep has a packet sniffer which can intercept the cookies which are encrypted from Social Media sites like Twitter and Facebook and comes with the Firefox web browser. Firesheep is available for both the Windows and Mac OS X operating system. It would also run on the Linux platform in the new future.
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