Chapter 18. SANS Top 10

A LARGE NUMBER OF COMPANIES HAVE IGNORED SECURITY and have recently realized that their computer systems are vulnerable. As their administrators begin to search the Web and find security vulnerabilities on their systems, they usually become overwhelmed. They find so many weaknesses that companies do not know how to begin to fix them.

For example, I worked with a typical company of 500 users and 15 servers. The company ran a commercial vulnerability scanner to determine what should be done to improve its security. After the scanner had run, it generated a 1,200-page report of all the areas of vulnerability. The company’s ...

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