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Nmap for Ethical Hackers - The Ultimate Hands-On Course (Udemy.com)

Go from "Scanning Zero" to "Scanning Hero" with this interactive Nmap Ethical Hacking course. Master Nmap today!

Created by: Experts with David Bombal

Last updated April 2023

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What you will learn

  • Learn to scan networks for active devices and how to analyze scan activity with Wireshark
  • Enumerate endpoints for open ports and services
  • Master Host and Server Enumeration, Learning to Identify Service Versions, Operating System, and Common Vulnerabilities
  • Learn how the Nmap Scripting Engine works and how to automate scan activity
  • Hack common services such as HTTP, FTP and SMB with Nmap

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Quality Score

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Overall Score : 94 / 100

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Course Description

Welcome to this Nmap Ultimate Hands-On Course!

Nmap is a swiss army knife. You cannot go far as a hacker without it.


It belongs in the toolbox of every Cybersecurity professional, network engineer, penetration tester, ethical hacker, or SOC analyst.


The problem is that there are so many OPTIONS and SWITCHES to remember! What do they do? When do I use them? How can I remember them


If you have ever felt that way when getting started with Nmap, this is the course for you. In this class there are a grand total of two powerpoint slides. Why? Because slides are boring. Instead, we will walk through several hands-on labs that will help you build your Nmap skills as you run each scan along with me.

But there is more.


With each scan, we are going to capture it with Wireshark and learn how it really works. Instead of just waiting for an output and hoping to understand what to do with it, we will be looking at the scan and responses from a target at the packet level. This will help us know and remember what we are putting out on the wire and what to do with the results we receive from the test.


My name is Chris Greer and I am a Wireshark University instructor, as well as a packet analysis consultant for companies all over the globe. Like you, I started out with a deep interest in cybersecurity and ethical hacking. Looking at Nmap scans in Wireshark helped me to understand them, remember them, and utilize them to find vulnerabilities in networks and servers.

Ready to SCAN? Let's get to it!


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Instructor Details

Experts with David Bombal

David Bombal, together with some of the best minds in the industry is offering courses on a wide range of topics including networking, programming and software development. Our team has decades of experience teaching students from all over the world. 

Together we can do more!

David Bombal (CCIE #11023 Emeritus) passed his Cisco Certified Internetwork Expert Routing and Switching exam in January 2003 and is one of a small percentage of Cisco Engineers that pass their CCIE labs on their first attempt.

David qualified as a Cisco Certified Systems Instructor (CCSI #22787) many years ago! He has been training Cisco courses for over 15 years and has delivered instructor led courses in various countries around the world covering a wide range of Cisco topics from CCNA to CCIE.

He has also personally developed Cisco engineer utilities such as the VPN Config Generator, software, training materials, EBooks, videos and other products which are used throughout the world.

David has designed, implemented and managed networks ranging from single sites to those that span 50 countries.



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Reviews

4.7

1,776 ratings on Udemy

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By Vinoth Kumar on 8/17/2026

Nice teaching with Wireshark

By David Blessing on 7/25/2026

Speed is to fast. Need time to locate what/where you are having us look. It is one thing for two experienced people to move that fast, but you are teaching this to mostly new to NMAP and especially WireShark. Since WireShark needs a lot of scrolling and is used in a virtual environment while watching along, it sometimes needs the cursors to be reposition. It would be nice if the pace was a little slower in the demonstrations, especially if you want us to do it at the same time. Lot of pausing and rewinding. Last note is the downloadable file didn't fully match your demonstration as some fields showed differently then what yours read.

By Boyan Jeynov on 4/21/2026

An excellent course, my first encounter with NMAP: with basics explained for beginner like me, and a lot of practical examples, discussion, insights. I appreciate the examples on available resources for further practice. Thank you Chris! - looking forward to your next course.

By Sharavana K on 4/15/2026

Great course for the beginners to learn from basic and level up to advance, practically explained each and every commands when where how to use it, and explained each and every commands with Wireshark capture, Great course.

By Victor A on 3/14/2026

I found the techniques and resources very useful for demonstrating concepts. In particular, the use of Wireshark to actually see what was happening "under the hood". A very good course for going a little deeper into how Nmap works and how to make good use of it. Thanks!

By Georges khalil on 2/9/2026

i was studying nmap on a platform i prefer not to name it because i have huge respect for the owner and suddenly a random guy come in and took the wheel honestly i did not understand anything because he have a bad accent and then i decided to check if there is any interesting course on udemy and when i saw you hosting the course it felts OMG he is here . so much respect for you and for david bombal as well (i know you from his youtube channel)

By Carl Bradford on 1/11/2026

Extremely helpful and well presented. The information was relevant and easy to follow, and the hands-on portion was the best I’ve experienced so far. I highly recommend this course as an excellent starting point for learning Kali and Nmap.

By Boris Terzic on 1/9/2026

The instructor speaks very clearly and understandably. The pace of the course is appropriate, so I can easily follow, take notes, and try out the commands myself as they are demonstrated.

By Henry Alen on 1/3/2026

Clearly explained. This is way more than just a Nmap course since the Wireshark is so well went through. I was expecting "just" going through the Nmap and its options but deep diving with Wireshark this is a lot more!

By Razaq Sultani on 11/28/2025

I recently completed the online Nmap course and found it very valuable. The lectures were clear, easy to follow, and helped me understand the material well. The only improvement I would suggest is adding a fully open lab environment where learners can scan freely and practice without predefined limitations. It was a great course and I learned a lot. Thank you!

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