Network security is concerned with hardware, software, basic communication protocols, network frame structure, and communication mechanisms factors of the network. Information Security in the network context deals with data integrity, confidentiality, availability and non-repudiation while is sent across the network. A distributed system is a model in which components located on networked computers communicate and coordinate their actions by passing messages. In this context cybersecurity deals with all the aspects of computation, coordination, message integrity, availability and (if required) confidentiality. Message authentication is also in the scope.