Network Security Basics - Elsevier

1 Chapter 1 Solutions in this chapter: Security Overview Defi ning Basic Security Concepts Addressing Security Objectives Recognizing Network Security Threats Designing a Comprehensive Security Plan SummaryNetwork Security Basics2 Chapter 1 Network Security you can understand fi rewalls and how ISA Server 2006 works, you need to look at the big picture: what we mean by Network Security in general and Internet Security in particular why it s necessary, how we can create a comprehensive Security policy to protect our networks from unauthorized access, and where ISA Server fi ts into that Security is a big topic and is growing into a high profi le (and often highly paid) Information Technology (IT) specialty area. Security -related websites are tremendously popular with savvy Internet users. The popularity of Security -related certifi cations has expanded.

Defi ning Basic Security Concepts ... The Intrusion Triangle ... who already have the motive and the means will look for an easier victim. The best and most expensive locks in the world won’t keep intruders out of your house if you don’t use them. And if those locks are diffi cult to use and result in inconvenience to you in your

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