Footprinting

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Footprinting

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The systematic footprinting of an organization enables attackers to create a complete profile of an organization’s security posture. By using a combination of tools and techniques, attackers can take an unknown quantity (Widget Company’s Internet connection) and reduce it to a specific range of domain names, network blocks, and individual IP addresses of systems directly connected to the Internet. While there are many types of footprinting techniques, they are primarily aimed at discovering information related to the following environments: Internet, intranet, remote access, and extranet. Table 1-1 depicts these environments and the critical information an attacker will try to identify....

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