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Mastering Authentication Vulnerabilities - Ultimate Course (Udemy.com)

How to Find, Exploit and Defend Against Authentication Vulnerabilities. For Ethical Hackers, Developers & Pentesters

Created by: Experts with David Bombal

Last updated August 2023

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What you will learn

  • Learn how to find vulnerabilities in authentication mechanisms.
  • Learn how to exploit authentication vulnerabilities of varying difficulty levels.
  • Gain hands-on experience exploiting authentication vulnerabilities using Burp Suite Community and Professional editions.
  • Learn how to automate attacks in Python.
  • Learn secure coding practices to implement proper authentication mechanisms.

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Quality Score

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Overall Score : 92 / 100

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Course Description

Authentication flaws are among the most critical security risks facing web applications today. Exploiting this type of vulnerability can lead to unauthorized access, bypassing authentication controls, and potential data breaches. Therefore, mastering the ability to identify and exploit authentication vulnerabilities has become an essential and foundational skill.


In this course, we dive into the technical details behind authentication vulnerabilities, the different types of authentication vulnerabilities you may encounter depending on the authentication mechanism that the application is using, how to find these types of vulnerabilities from a black-box perspective and the different ways to exploit authentication vulnerabilities. We also cover how to prevent and mitigate these types of vulnerabilities.


This is not your average course that just teaches you the basics of authentication flaws. This course contains over 3 hours worth of HD content that not only describes the technical details behind authentication vulnerabilities, but also contains 14 labs that give you hands-on experience exploiting real-world examples. The labs are of varying difficulty levels starting with really simple examples and slowly moving up in difficulty. You'll gain experience in cracking and brute-forcing user passwords, enumerating usernames, exploiting logic flaws in authentication mechanisms, bypassing 2FA authentication and much more!


If you're a penetration tester, application security specialist, bug bounty hunter, software developer, ethical hacker, or just anyone interested in web application security, this course is for you!

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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

4.6

471 ratings on Udemy

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By Keivan Mojmali on 9/30/2025

This series is pretty average. She goes through Portswigger labs. guesses most of them on the first try since she knows them the answer and then scripts the solution in python. its not so much about finding real world bugs like it says but mainly doing pretty easy labs

By Anonymized User on 4/13/2025

Definitely a must for every newcomer to this field. Both lecturers are experts and the depths of their knowledge is exemplified in this course.

By Marcel Neidoni on 4/17/2024

Excellent course. Just one observation, Lana should show the use of decoding commands inside Kali (echo [..] | base64 --decode) instead of using crackstation.net throughout the course. Other than that, amazing course!

By Avatsa2434 on 3/16/2024

Excellent Explanation and Walkthrough based on Burp Suite and the Academy Labs from Portswigger. If there can be extension lessons talking about the real-world example, then it would be even better. Recommended to everyone who are starting to learn auth vuln and do it yourself.

By Neil Browne on 2/1/2024

I'm so jazzied about this course! It gives me greater insight on exploits and vulnerabilities, thus helping me be more secure, in a way that's fun too. Thank you very much.

By Mario Stefanov on 9/4/2023

Rana and David combination for learning are like cherry on a cake , I always adimire the work they put into the learning content they provide for every level regardless of experience or not and also this course is further solidifying my web pen test experience which is even more pros and I don't find any cons to it so far.

By Kien Do on 8/23/2023

This is suitable for those who have done the SQL injection course first as the videos are much more brief. I was able to script the labs whose scripts were not provided :)

By Saga A on 8/15/2023

Such an amazing course, The explanations are really outstanding and we expect more courses from your side about every single vulnerabilities.

By Monjur Morshed on 8/14/2023

As a Teacher Rana Khalil is just outstanding! She has the ability to make the students understand the topic in such simplest way and this course is not an exception too. Keep the good works up. We are really grateful.

By Patrick Tremblay on 8/13/2023

I really enjoyed this course. Rana Khalil is an excellent teacher, her explanations are clear and easy to follow. I recommend anyone interested in Authentication Vulnerabilities to take his course!

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