Nmap Basics

Lesson in the DevSecOps Roadmap · Stage 13: Threat Modeling

Last updated 14 September 2026

What is Nmap Basics?

Nmap (Network Mapper) is a free and open-source utility used for network discovery and security auditing. It's used to discover hosts and services on a computer network by sending packets and analyzing the responses. Nmap provides information about host availability, operating systems, firewall status, and other network characteristics.

Study this in the interactive course See the whole DevSecOps roadmap

Free resources to learn Nmap Basics

Official docsNMAP
ArticleNMAP Cheat Sheet
VideoNmap Tutorial to find Network Vulnerabilities
VideoNMAP Full Guide (You will never ask about NMAP again)

Nmap Basics: common questions

Can I learn Nmap Basics in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Nmap Basics in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Nmap Basics tutorial for beginners?

It is lesson 46 of 93 in the free DevSecOps roadmap, in stage 13, Threat Modeling. If you are new to DevSecOps, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.