Cyber security is the protection of a far-flung piece of informational equity through the menace that can put information at risk. A higher number of enterprises are being automated and there are a large number of computer systems used, which store all its vital information assets. Cyber security is seen as a critical factor in the success and survivability of any enterprise. Despite their best efforts and investments, some organizations still experience exposure to potential cyber-attacks. Cyber security should be organized as a continuous process of identifying vulnerabilities, threats, and related risks. It is a recognized concern and growing priority for all big and small enterprises that risk evaluation, risk management, and determining their probability and impact on the enterprise's business goals must be kept an eye on.