2.3. Task 2.3: Patching the Operating System

Many appraisals of operating systems and applications estimate that there are typically somewhere between 10 and 50 bugs per 1,000 lines of code. Windows XP has an estimated 40 million lines of code, and Vista has approximately 50 million lines of code. These bugs are doorways for attackers to take control of your systems, potentially compromising the confidentiality, integrity, and availability of your information services. This translates to the need for a diligent and continuous patching routine to minimize the potential exposure of these vulnerabilities in your operating system and applications.

2.3.1. Scenario

You are responsible for maintaining an XP 10-user workgroup in your corporate environment. ...

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