Hacking as a hobby #2 (hacker's computing)

This is a free special lecture that can help you strengthen your information security and personal information protection capabilities.

You can clear all the challenges of the international hacking competition SquareCTF (2018~2019). Broaden your senses and perspectives on IT and security by experiencing various challenges!

You can clear all the challenges of the hacking competition SquareCTF (2017).

Episodes from the year I started from scratch to stand on my own after quitting my dream job.

You can clear all preliminary challenges of the hacking competition DIMICTF (2019).

We will cover all the challenges in Nebula, a wargame that will help you develop your system hacking skills, from start to finish, including setting up a practice environment. You will also learn the computer science knowledge required for each challenge.

Covering the content of WebGoat, the classic wargame of web hacking, we have translated and solved all the lessons and challenges from beginning to end. We provide all the tools and data needed to solve the challenges, starting with setting up the practice environment.

If you've ever been fascinated by people typing in unknown Linux commands on a black screen, but were at a loss as to where to start or what to do, this course is for you.

You can clear all the challenges of the hacking competition SquareCTF (2017).

In mock hacking practice, mock hacking of iOS mobile apps is now essential! This is a basic lecture for those who are new to iOS app diagnosis. It consists of basic prerequisite knowledge required for diagnosis and practical training centered on the mock hacking work.

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.

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!