Using Nmap to find additional hosts and devices on a network
Created by Gordon Lyon aka Fyodor, Nmap is one of the most common tools for network scanning and enumeration during vulnerability assessments and penetration tests. It is also quite useful for DFIR tasks and investigations when investigating network communications that require disclosure of host details on a network.
Nmap is also a bit of a celebrity and was used in popular movies such as The Matrix Reloaded, The Bourne Ultimatum, Die Hard 4, and The Girl with the Dragon Tattoo, and also the very popular TV series Mr. Robot.
Nmap is a Command-Line Interface (CLI) tool and comes pre-installed in Kali Linux. There is also a Graphical User Interface (GUI) for Windows and Mac devices, but I personally think you can access more options and features using the CLI.
Nmap has many switches and requires prior knowledge of ports, Transmission Control Protocol/Internet Protocol (TCP/IP) protocols, and TCP flags, all of which...