Check out our mobile app preparations in a hurry

This is a web vulnerability assessment course based on the Major Information and Communication Infrastructure Web Vulnerability Guide. Use this course to perform web vulnerability assessments.

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

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

The ultimate boss of web hacking! File upload vulnerability attack techniques! Following Part 1, this Part 2 'Chapter 1' training covers more in-depth and advanced techniques.

These are the standards for vulnerability analysis and risk assessment following the revision of the Critical Information and Communication Infrastructure standards for the second half of 2025. Additionally, this information includes an analysis of kernels and various changes based on the latest versions of Unix and Windows OS. By applying default values, you can achieve rapid risk assessment and account for various operational risks. You may use this for study purposes or for data acquisition during follow-ups to reach the highest domestic standards through prompt action.

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.

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.