What is a Cookie? A cookie is a piece of code which is used to authenticate a user on a website, In other words when ever you login to a website such as Facebook, Gmail, Orkut etc your browser assigns you a cookie which basically tells the browser that for how long the user should be logged it, Apart of authentication purpose a cookie can be used for variety of different purposes, If you would like to know more about cookie stealing kindly google it up. What is a Session Token? After an authentication is completed , A webserver hands the browser a session token which is used because a webserver needs a way to recognize between different connections, If a hacker could capture your session token then it's a cakewalk for the hacker to hack into your gmail, facebook or any other account . What is a Session Hijacking Attack? A session hijacking attack is basically an act of capturing session token and injecting it into your own browser to gain acess...