Study Domain Focus: Cyber Security

Dr. Nag, Professor of Cyber Security

CyberSecurity is defined as the art and science of protecting communication and data transfer via the Internet media so that properly authorized persons and organizations can share data in a secure environment. Considering the web-like structure of the Internet, CyberSecurity includes the security of the data and the transfers at the origin and destination and at every intermediate junction or transfer point. CyberSecurity is closely allied with digital forensics which is the science of tracking and solving crimes after they are perpetrated. CyberSecurity is associated with legal defenses in a relatively loose way as the global nature of the Internet makes it almost impossible for any one country to bring to justice violators of CyberSecurity in another country.

The importance of CyberSecurity is evident in the global reach of the Internet in terms of data communications over a standard and common set of protocols that work through a series of receive and forward connections of routers and servers in a world-wide web. The importance also arises from the pervasiveness of the web and web-based data communication in every aspect of personal activity, business activity, and government and military activity.

CyberSecurity is a rapidly changing and dynamic environment, where new knowledge about violations of CyberSecurity come to light every day. These violations can endanger personal and financial data, expose business data to rivals and competitors, and put in danger government and military activities and installations. The last is known as cyber-war and has yet no answer.

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