Hacking as a Hobby #3 (WebGoat)

You can now enjoy more freedom in cyberspace than ever before.

If you have ever felt attracted to someone typing mysterious Linux commands on a black screen but felt lost on where or how to start, this course can help you.

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 the preliminary challenges of the hacking competition DIMICTF (2019).

While tackling Nebula, a wargame designed to develop system hacking skills, I have included a complete translation and solutions for all challenges, including the setup of the practice environment from start to finish. Additionally, you can acquire the computer science knowledge required for each challenge.

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 hacking competition SquareCTF (2017).

'What is the fastest way to acquire digital forensics skills?' I always have this question in my mind. Many people often ask, "How can I learn forensics skills quickly?" In my experience, the fastest way to get to where I am now through self-study is to acquire skills through problem solving. In this course, you will acquire and understand various forensics skills through the skills required for the digital forensics challenge and solving major challenge problems held in Korea.

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!