7.7. Summary of Network Security
This chapter covers a very large and important area of computer security: networks and distributed applications. As the world becomes more connected by networks, the significance of network security will certainly continue to grow. Security issues for networks are visible and important, but their analysis is similar to the analysis done for other aspects of security. That is, we ask questions about what we are protecting and why we are protecting it. In particular, we ask
What are the assets?
What are the threats?
Who are the threat agents?
What are the controls?
What is the residual, uncontrolled risk?
Network assets include the network infrastructure, applications programs and, most importantly, data. Recall that ...
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