Computer security
– a branch of Computer Science
– focusing on creating a secure environment for the use of computers
– complex field of study involving detailed mathematical designs of cryptographic protocols.
Network security
– a branch of Computer Science
– computer network security is a broader study of computer security.
– creating an environment in which a computer network, including all its resources, which are many; all the data in it both in storage and in transit; and all its users are secure.
– involving more detailed mathematical designs of cryptographic, communication, transport, and exchange protocols.
Information security
– is even a bigger field of study including computer and computer network security.
– variety of disciplines, including computer science, business management, information studies, and engineering
– involves the creation of a state in which information and data are secure.
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