Check out our mobile app preparations in a hurry

You can easily understand the principles and attack methods of **SQL Injection (SQLi)**, the most frequent and dangerous web vulnerability.

For those who know network theory but have difficulty actually building one, we will teach you the basic methods for building and configuring a network.

This is a web vulnerability diagnosis lecture based on the major telecommunications infrastructure web vulnerability guide. Use this lecture to diagnose web vulnerabilities.

This is a lecture on subnetting, which is necessary when creating or reading network configuration diagrams.

This is the first step of the network basics lecture that you can learn even if you don't know the basics of networks, "Network Model".

We have created a method for mobile diagnostic methods (static/dynamic) that can be learned by following the practice app and lecture materials. It covers everything from the basics to the techniques and tips used in practice, so it will be of great help to mobile consultants.

This is a practical course that allows you to learn and practice from basic app analysis to applying source code response measures using an Android mobile virtual banking app. It is a course that can be taken from beginners to intermediate or higher. It is a required subject for those who have chosen the mock hacking career path.!!

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.

This is a course where you can learn the basics of web technology. You can learn the basics of web technology in a short period of time. If you are interested in studying or getting a job related to the web, you must take this course!

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.