Cyber security is a process or action used to protect any electronic device, network or system. Its main objective is to prevent online attacks, unauthorized access, data theft, or any cyber crime. Cyber security has become very important these days because with the increasing technology, cyber attacks and cyber crimes are also increasing. Furthermore, cyber security is essential in protecting the confidential data of business organizations and government agencies. A variety of tools, techniques, and policies are used to implement cybersecurity, such as firewalls, antivirus software, encryption, authentication, access controls, and audits.