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Intrusions from the Unknown: Importance of Network Security in Today's Environment and Security Issues Associated with Networks.
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Intrusions from the Unknown: Importance of Network Security in Today's Environment and Security Issues Associated with Networks. A network can be defined as "A group of two or more computer systems linked together". The main reason for doing this is to enable any 2 or more computers to share each other's resources and thus this is a feature of all networks. Security in this context can be defined as "the act of protecting information (data files) from being access by unauthorised individuals or groups". There are three common types of network set up which are defined by there topology. Figure 1 illustrates the difference between Star, Bus and Ring networks which are used in network types as LAN, WAN, WLAN etc. A network runs on protocols, which define a common set of rules and signals that computers on the network use to communicate. A network can be isolated and independent such...
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