Covers the Internet and IP Security. Provides understanding of the Internet and its fundamental principles of operation. Looks at some details and improvements such as the Domain Name System, MIME, HTML and HTTP which form "the Web". Discusses how you connect to the Web from a residence and from an enterprise or organization. Gives an overview of security in the IP world. Begins with a discussion of risk areas, vulnerabilities and measures. Provides a real understanding of what the Internet is how it functions and current issues, plus practical knowledge of computer security.