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1. Network security

Networks have become a central feature in many people's lives, both for personal and business use.

However at the same time, network crime, fraud and cyber attacks have become increasingly commonplace.

A 'cyber attack' is an attempt to gain unauthorised access to, or control of, a computer and the network to which it is connected.

 

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The topic of keeping computers and networks safe is called 'cyber security'.

 

Cyber security can be defined as the set of measures taken to protect a computer from harm to its data and software. It also includes the protection of computer networks from unauthorised access.