For a comprehensive study of an important emerging field, Cyber Security must act as powerful agent for social change and because of this education shapes behaviour. Cyber Security deals in protecting data, networks, programs and other information from unwanted and unauthorized access, destruction and changes. In today’s era Cyber security play an important role in the field of security threats and cyber-attacks. Cyber security is very important in day to day basis because it helps to secure information as well as systems form virus attacks. It also involves various ministries and departments to prove challenge for Governments. It is more difficult primarily due to the diffused and varied nature of the threats and the inability to frame an adequate response in the absence of tangible perpetrators, national capabilities such as energy, power grids, telecommunications, emergency communication systems, financial systems, defence systems, space, transport, land records, public essential services and utilities, law enforcement and security and air traffic control networks, to name a few increasingly depend on relay data for communication and commercial transactions. For the economic security of the country the operational stability and security of critical information infrastructure plays a vital role.