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- Welcome to lesson three,
passive reconnaissance,

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otherwise known as passive recon.

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In this lesson you'll
learn about the essential

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and often overlooked phase
in the penetration test.

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You'll also understand why
this is widely considered

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the most important step in the engagement.

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We will discuss passive
recon methodologies

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and tools that you can use to map out

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the entire environment without
setting off a single alarm.