International Journal of Scientific Research Engineering &Technology (IJSRET)
Information security has become a very critical aspect of modern computing systems. With the global acceptance of internet, virtually every computer in the world today is connected to every other. While this has created tremendous productivity and unprecedented opportunities in the world people live in, it has also created new risks for the users of these computers. The users, businesses and organizations worldwide have to live with a constant threat from hackers and attackers, who use a variety of techniques and tools in order to break into computer systems, steal information, change data and cause havoc.