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Security Policies and Implementation Issues by Mark Merkow, Robert Johnson

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Chapter 9. User Domain Policies

A TENET OF TELECOMMUNICATIONS SAYS the more people who access a network, the more valuable the network becomes. This is called Metcalfe's law. Let's use a telephone system as an example. If only two telephones were on the system, the value of the system is limited. Only two people can talk at any given time. But add millions of phones and people, and suddenly the value of the network rapidly increases.

This same rapid, accelerated growth factor holds true when it comes to information security risks. As the number of people accessing your network increases, so does the number of risks. As the user population increases, so does the need to access information. This need translates into complex security controls that ...

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