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SQL Injection, the flower of web hacking, explained by a mock hacking practitioner! Learn attack and defense at the same time.

An introductory course on web hacking for information security beginners and web developers! Start web hacking in a fun way with this course!

We will take a closer look at the working principles through core theories and practices of the OAuth 2.0 protocol. And we will analyze the OAuth 2.0 protocol from the perspective of hacking and security.

The ultimate web hacking master! File upload vulnerability attack technique! This is a training that will further improve the students' web hacking skills through a completely different approach from the existing known methods!

This lecture covers the king of client attacks, XSS (Cross-Site Scripting). You can systematically learn about the basic concepts of XSS, the attack principles, and most importantly, what process to go through to perform the attack procedure.

Basic understanding of web shells and web shell detection solutions, as well as attack methods and obfuscation techniques for bypassing them!

The basic steps to learn SQL injection attacks, the flower of web hacking! This is a lecture on basic SQL grammar!

The ultimate web hacking! File upload vulnerability attack technique! Part 2 of the 'Part 1' education follows Part 1 and covers more advanced techniques.

The ultimate web hacking! File upload vulnerability attack technique! Following Part 1, Part 2 '3rd part' education covers more advanced techniques in depth.

The ultimate web hacking! File upload vulnerability attack technique! Part 2 of the '2nd part' education follows Part 1 and covers more advanced techniques.

The ultimate web hacking! File upload vulnerability attack technique! Part 2 of the 'Part 1' education follows Part 1 and covers more advanced techniques.

In this course, you will learn how to create secure web services.

Web shell is the core tool for file upload vulnerability attacks! Let's learn how to create a web shell together through this lecture~!

The second lecture on SQL Injection, taught by a mock hacking practitioner! The first lecture covered the basics and the core principles of attacks, while the second lecture is about technical advanced attack techniques. Therefore, taking the first lecture is a must!

A web hacking course where you can learn, practice, and understand the principles by simply following along with WebGoat problem solving!

Easy-to-follow file download vulnerability attack techniques from web hacking beginners to practitioners! File download vulnerability attack techniques and advanced attack techniques used in practice! And how to apply secure coding!

Introduction to web hacking and mock hacking for those who are new to web hacking and job seekers in related fields

The second lecture on SQL Injection, taught by a mock hacking practitioner! The first lecture covered the basics and the core principles of attacks, while the second lecture is about technical advanced attack techniques. Therefore, taking the first lecture is a must!

Anyone can easily learn basic web hacking techniques, as well as countermeasures at the source code level and advanced techniques to bypass and attack, through hands-on training using an application called DVWA, which is designed for web security education.

IT services are rapidly transitioning to cloud environments. You will learn security practices from basic virtual infrastructure construction to security threat monitoring and vulnerability diagnosis for each area to secure the Amazon AWS cloud environment.

This lecture provides a general guide on how to prepare while studying when you want to choose a career in IT security penetration testing, and what questions and answers to prepare for the interview. I will share my experience working as a penetration testing consultant, at large companies, and in the financial sector, and currently running a penetration testing consulting business.