Footprinting and Reconnaissance (CEH)
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                       Footprinting Techniques    Reconnaissance Methods   Advanced Search Techniques
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                   Through Search  Gathering Info    Email Lists    Job Sites  Web Services   IoT Search     Deep and    Meta Search  
                     Engines        from Web Services              & Job Sites                   Engines    Dark Web    Engines 
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           Google Hacking    IoT Search  Other        theHarvester  Shodan    Censys   Tor Browser    FTP   Image    Video   Social Media
              /        \      Engines  Search Engines    Email Spider                      Browsers Search  Search   Search
             /          \                                       /   |   \                                             Engines
    GHDB Techniques    Tools                                    /    |    \ 
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