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Advanced Infrastructure Penetration Testing by Chiheb Chebbi

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Open source intelligence 

Open source intelligence (OSINT), as its name suggests, involves finding information about a defined target using available sources online. It can be done using many techniques:

  • Conducting search queries in many search engines
  • Gaining information from social media networks
  • Searching in deep web directories and the hidden wiki
  • Using forum and discussion boards

For example, if you want to search for a specific employee, you can use a theHarvester tool, and it will help find all public information about that person.

You can get theHarvester from its GitHub repository using this command from your console:

git clone https://github.com/laramies/theHarvester 

Then, type ./theHarvester to run the script.

For example, if ...

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