One among the many project domains given by S-LOGIX , network security and cryptography is also one. The need for Network Security is gaining its own significance in these recent times. With a Network Security System, all the files, data & personal information are kept safe and protected from unauthorized access from people present on the network and people outside it. Therefore, it is widely used in offices, banks, and many other organizations. The provisions and policies of Network Security help the network administrator to monitor any kind of misuse, modification or unauthorized access of a computer network. Thus, a number of cyber attacks and other harmful activities are prevented .