Nmap stands for Network Mapper, It's a security software with multible all in one security software, It's the most popular open source free network discovery and security auditing tool.
Nmap is a network exploration and security auditing utility
you can use it to scan entire network or specific host or single server.
Many administrators find it useful for network inventory, managing service upgrade schedules, and monitoring host or service uptime.
Nmap security Tools involve:
- Password cracker
- Sniffers
- Vuln Scanners
- Web scanners
- Wireless
- Exploitation
- Packet crafters