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Complete Web Application Hacking & Penetration Testing (Udemy.com)

Hacking web applications, hacking websites, bug bounty & penetration testing in my ethical hacking course to be Hacker

Created by: Muharrem AYDIN

Last updated September 2026

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What you will learn

  • Ethical hacking involves a hacker agreeing with an organization or individual who authorizes the hacker to levy cyber attacks on a system.
  • Becoming an ethical hacker involves learning at least one programming language and having a working knowledge of other common languages like Python, SQL, C++
  • Many hackers use the Linux operating system (OS) because Linux is a free and open-source OS, meaning that anyone can modify it. It’s easy to access.
  • Ethical hacking is legal because the hacker has full, expressed permission to test the vulnerabilities of a system
  • The Certified Ethical Hacker (CEH) certification exam supports and tests the knowledge of auditors, security officers, site administrators, security.
  • Passing the Certified Information Security Manager (CISM) exam indicates that the credentialed individual is an expert in the governance of information security

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Quality Score

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Overall Score : 84 / 100

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Course Description

Hello,

Welcome to my Complete Web Application Hacking & Penetration Testing course

Hacking web applications, hacking websites, bug bounty & penetration testing in my ethical hacking course to be Hacker

Web Applications run the world From social media to business applications almost every organization has a web application and does business online So, we see a wide range of applications being delivered every day
Whether you want to get your first job in IT security, become a white hat hacker, or prepare to check the security of your own home network, Udemy offers practical and accessible ethical hacking courses to help keep your networks safe from cybercriminals

Penetration testing skills make you a more marketable IT tech Understanding how to exploit servers, networks, and applications means that you will also be able to better prevent malicious exploitation From website and network hacking, to pen testing in Python and Metasploit, Udemy has a course for you
Our Student says that: This is the best tech-related course I've taken and I have taken quite a few Having limited networking experience and absolutely no experience with hacking or ethical hacking, I've learned, practiced, and understood how to perform hacks in just a few days

I was an absolute novice when it came to anything related to penetration testing and cybersecurity After taking this course for over a month, I'm much more familiar and comfortable with the terms and techniques and plan to use them soon in bug bounties

FAQ regarding Ethical Hacking on Udemy:

What is Ethical Hacking and what is it used for ?
Ethical hacking involves a hacker agreeing with an organization or individual who authorizes the hacker to levy cyber attacks on a system or network to expose potential vulnerabilities An ethical hacker is also sometimes referred to as a white hat hacker Many depend on ethical hackers to identify weaknesses in their networks, endpoints, devices, or applications The hacker informs their client as to when they will be attacking the system, as well as the scope of the attack An ethical hacker operates within the confines of their agreement with their client They cannot work to discover vulnerabilities and then demand payment to fix them This is what gray hat hackers do Ethical hackers are also different from black hat hackers, who hack to harm others or benefit themselves without permission

Is Ethical Hacking a good career?
Yes, ethical hacking is a good career because it is one of the best ways to test a network An ethical hacker tries to locate vulnerabilities in the network by testing different hacking techniques on them In many situations, a network seems impenetrable only because it hasn’t succumbed to an attack in years However, this could be because black hat hackers are using the wrong kinds of methods An ethical hacker can show a company how they may be vulnerable by levying a new type of attack that no one has ever tried before When they successfully penetrate the system, the organization can then set up defenses to protect against this kind of penetration This unique security opportunity makes the skills of an ethical hacker desirable for organizations that want to ensure their systems are well-defended against cybercriminals

What skills do Ethical Hackers need to know?
In addition to proficiency in basic computer skills and use of the command line, ethical hackers must also develop technical skills related to programming, database management systems (DBMS), use of the Linux operating system (OS), cryptography, creation and management of web applications and computer networks like DHCP, NAT, and Subnetting Becoming an ethical hacker involves learning at least one programming language and having a working knowledge of other common languages like Python, SQL, C++, and C Ethical hackers must have strong problem-solving skills and the ability to think critically to come up with and test new solutions for securing systems Ethical hackers should also understand how to use reverse engineering to uncover specifications and check a system for vulnerabilities by analyzing its code

Why do hackers use Linux?
Many hackers use the Linux operating system (OS) because Linux is a free and open-source OS, meaning that anyone can modify it It’s easy to access and customize all parts of Linux, which allows a hacker more control over manipulating the OS Linux also features a well-integrated command-line interface, giving users a more precise level of control than many other systems offer While Linux is considered more secure than many other systems, some hackers can modify existing Linux security distributions to use them as hacking software Most ethical hackers prefer Linux because it's considered more secure than other operating systems and does not generally require the use of third-party antivirus software Ethical hackers must be well-versed in Linux to identify loopholes and combat malicious hackers, as it’s one of the most popular systems for web servers

Is Ethical Hacking Legal?
Yes, ethical hacking is legal because the hacker has full, expressed permission to test the vulnerabilities of a system An ethical hacker operates within constraints stipulated by the person or organization for which they work, and this agreement makes for a legal arrangement An ethical hacker is like someone who handles quality control for a car manufacturer They may have to try to break certain components of the vehicle such as the windshield, suspension system, transmission, or engine to see where they are weak or how they can improve them With ethical hacking, the hacker is trying to “break” the system to ascertain how it can be less vulnerable to cyberattacks However, if an ethical hacker attacks an area of a network or computer without getting expressed permission from the owner, they could be considered a gray hat hacker, violating ethical hacking principles

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Instructor Details

Muharrem AYDIN

After 20+ years of software engineering experience with titles of software developer, product manager, and integration architect, I have been working in cyber security domain for last 15 years. I am not only a cyber security expert but also the head and kick-starter of a cyber security consultancy unit. 

In security field, I have performed dozens of penetration tests for institutes from different sectors: finance, military, state agencies, and telcos.

I have been consulting different companies in security field which includes global banks such as ING Bank, HSBC, CitiBank and more.

In addition, I am an adjunct instructor in a university and teaching cyber security for years.

I involved in technical areas and has taken responsibilities in: 

Penetration tests (Pentests) and security audits

Cyber security training & consultancy

Source code analysis & secure software development

Cyber security incident response

Information security management system (ISMS) consultancy 

Open source cyber security systems, such as OpenVAS, OSSEC, OSSIM, Snort, Suricata, mod security

I'm creating my courses by using my know-how and 10 years of experience. As a result, our first course "Hacking Web Applications and Penetration Testing: Fast Start!" has gained "Best Seller" reputation in its category. 

I have risen a lot of cyber security experts from scratch, and you are the next.


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Reviews

4.2

1,480 ratings on Udemy

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By Amit Kalina on 12/1/2025

I finally understand how websites actually get hacked — and how to defend them. The course made complex topics like SQL injection and XSS surprisingly easy to grasp. Clear and well-paced.

By Harvey on 11/28/2025

Honestly one of the best practical web hacking courses I’ve tried. You learn why things happen, not just the tools. Very beginner-friendly but still detailed enough to stay interesting.

By Mary Johson on 11/25/2025

I watched a few lessons every night after work and actually started enjoying it. The instructor’s explanations made me feel confident enough to start testing my own test sites safely.

By Courtney Smith on 6/30/2023

The first 3-4 Sections were OK, but everything since then has been poorly explained. This isn't "Complete" web application hacking and penetration testing, this is a "very brief overview of different kinds of attacks that don't have much explanation"

By Hakan Karaca on 5/31/2023

Aldığım kurs beni simdiye kadar çok memnun etti. Eğitmenin uzmanlığı, ders içeriği ve sunum kalitesi gerçekten harikaydı. Kurs boyunca beklentilerimin üzerinde bir öğrenme deneyimi yaşadım. Kesinlikle tavsiye ederim.

By Sourav on 7/8/2022

Sir, Its an excellent tutorial. As of now I was learning these attack using some tool without knowing the background mechanism or theory, which you explained very nicely..Thanks a million.

By Gultekin Butun on 4/28/2022

Some parts are definitively not explained. Things that needs really explanation are fast forwarded somehow and there is a bad sync between the narrator and the content shown. After module 5, I needed other resources to understand the concept. Obviously the "instructor" is knowledgeable, no doubt, but weakly explained. I will go to the end but It seems I will consult my old good friend youtube.

By Juan Diego Alvarez Pulido on 9/29/2021

Well rounded course, you'll need some background before doing it though, because sometimes there are practices where the author expect you know the basics

By Emre Uçar on 3/2/2021

From the very beginning, I can assure it's gonna be a great course because the instructor is highly skilled and have a valid reputation in security. I have taken his other courses and all of them are very useful and high quality. That's why I can wholeheartedly recommend his courses.

By Adam A on 9/3/2020

I think the content of the course is very good in general. Some of the content does seem to be a little outdated. For a course aimed at all levels there are going to be beginners taking this course. You should slow down when running commands in the labs or even just provide a list of the commands that are going to be covered. Do something so it is easier for the beginners to better follow along. Other than that the course was pretty good.

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