Network Security comprises of the policies and the various provisions followed by a network administrator to prevent misuse, monitor unauthorized access for the safety of the organization. Private organizations can suffer if their operations data and other confidential information are accessed by ill-intentioned people. Network security also involves the access of data to authorized personnel and also prevents unauthorized people to gain access to vital company's information. It involves a wide range of connected computer networks in an organization and is headed by a competent team of network specialists. The size of the team varies ...