What is Session Hijacking? A session is the period of time when you as a user are actively accessing an application, website, or other online service. Each user session begins when you log into a website or app and ends when you log out of it. For example, when you type your username and password into a banking application, that begins your session on that online application. When you log into an online application, for example, amzon.com, their server typically generates a temporary session cookie in your browser. This cookie tells your browser that you are logged in and have been authenticated on the server by Amazon. Each temporary session cookie is marked by a unique session ID, or key. If a hacker is able to access your unique session ID, they can access your session. Let us take the example of Facebook. For example, when you log into Facebook, a session begins. This allows you to keep using Facebook (even if you close and reopen the web browser) until you click on ‘log out’...