What is an Nmap

Nmap (Network Mapper) is a free and open-source tool used for network exploration, management, and security auditing. It is a command-line utility that is capable of performing numerous network scanning techniques to identify hosts, services, and vulnerabilities on a network. Nmap can be used to map networks, perform port scanning, OS detection, version detection, and many other tasks related to network security. It is widely used by security professionals, system administrators, and network engineers to identify potential security issues and maintain network infrastructure.