4.2. Understanding Intrusion Detection Systems

Imagine that you have just come home from vacation. While you were gone, someone entered your house without your permission. How will you know it? Will the alarm be sounding, or will you notice the front door unlocked? Will you need to spot something missing, or will a rug out of place tip you off?

Real World Scenario: Know the Resources Available in Linux

Security information is readily found at a number of Linux-related sites. The first to check, and stay abreast of, is always the distribution vendor's site. Its pages usually provide an overview of Linux-related security issues with links to other relevant pages. You should also keep abreast of issues and problems posted at http://www.cert.org ...

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