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- Welcome to lesson five:
hacking web applications.

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In this lesson, you will learn about

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the fundamental components, architecture,

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and vulnerabilities of
today's web applications.

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You'll also learn about some techniques

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for testing, mapping, and scanning

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web applications for vulnerabilities

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in order to understand
how they can be exploited.

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Finally, the lesson
concludes with a look at

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some methods for
defending web applications

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against exploitation.