In computing scenario, a hacker can be referred to as any highly skilled and talented computer expert who is responsible for breaking into computer networks or systems with the help of some kind of bugs or exploits. As per the field of computing, hacking can have different meanings. In various contexts, it has been referred in the controversial ethical and moral connotations. However, in the true sense, the hacking term can be referred to as any individual in any one of the hacker cultures and communities. In the hacker community, there are different types of hackers. Whatever might be the type of the hackers, they have been quite popular worldwide for causing significant damage and harm to the leading organizations and individuals of the world. They have been successful in breaching the confidential information of the organizations including their important documents. Here is an insight into the journey of the most famous and greatest hackers the world has ever observed in its history.