FOOTPRINTING IS A PROCESS that passively gathers information about a target from many diverse sources. The goal of footprinting is to learn about a target environment prior to launching an attack. If footprinting is performed patiently and thoroughly, a very detailed picture of a victim can be achieved, but that still leaves this question: What’s next? If an attacker gathers and organizes target information through footprinting, how can that attacker use it to launch an attack? This next step, called active reconnaissance, seeks to gather more detailed information than footprinting ...
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