What is an information security expert? What do they do and how should they prepare?

Learn how to use Notion, the next hottest app after Evernote, step-by-step from the beginning with a focus on practice.

Network packet analysis is essential when conducting incident analysis and vulnerability analysis. Among the tools available, Wireshark is the most widely used, and this course covers the complete utilization of Wireshark and provides understanding through incident analysis case studies.

IT services are rapidly transitioning to cloud environments. This covers everything from basic virtual infrastructure construction to understanding service operation, monitoring, and security areas for each area to secure the MS Azure cloud environment.

The most commonly used tool for web vulnerability analysis (hacking) is the web proxy server. Among them, BurpSuite is used the most. BurpSuite is planned to be regularly updated to help with web mock hacking.

You can understand the Windows operating system structure and memory structure, and it covers in detail how to analyze malware using information stored in memory. It also covers how to directly create a Volatility plugin that is used as a memory analysis tool and achieve important information acquisition. It is highly recommended for those who have chosen a career as a malware analyst or a breach response analyst.

Learn the content that will appear on the exam to pass the Level 2 Digital Forensics Specialist written exam.

Digital forensic analysis techniques are used in many fields, but it is always difficult to study. This course is composed of theory and practice to make it easy to follow the many uses of digital forensic analysis.

This lecture will help you understand cracking methods and solution diagnosis methods through reverse analysis of Windows applications. We will teach you how to apply OllyDBG step by step and the various techniques applied to Windows applications from the basics.

Through the lectures, the Protostar tutorial helps you understand the principles of the system attack techniques through several example programs.

You can learn how to fully utilize Frida, which is used in mock hacking practice.

This course is a guide for those who have chosen a career in IT security or those who wish to pursue it.

This course has been prepared with “subtitles” for those who have chosen a career in mock hacking and are curious about how to prepare.

You will be able to open the process and manipulate the values you want through the Cheat Engine tutorial. Have fun practicing from installing the tutorial to the bot that automatically breaks it!

When you think of IoT (Internet of Things), the first thing that comes to mind is Raspberry Pi. We will cover everything from the basic installation process of Raspberry Pi to sensor control, building and utilizing various servers, and cloud connection.

This is a practical tutorial on how to easily edit screen recording/recording files using Camtasia Studio. Using Camtasia, you can easily work as a solo instructor or IT instructor.

The most important part of the security response and security control work is to monitor and remove potential security threats to your company/customer services in advance. Let’s establish and utilize a security threat monitoring plan using the OSINT search service Criminal IP.

This lecture is a free special lecture for those who have chosen a career in IT security from Boan Project (www.boanproject.com). It will be especially helpful if you have chosen a career in mock hacking.

This training is a hands-on course covering infrastructure construction using Docker container technology, vulnerability analysis, and API web server diagnostics. It is designed to comprehensively learn from the basic concepts of Docker to its application in real-world environments, security vulnerability analysis, and response.

IT services are rapidly transitioning to a cloud environment. You will learn security practices from the basics of building a virtual infrastructure to monitor security threats in each area and diagnose vulnerabilities to secure the domestic Naver cloud environment.

Cyber security threats are increasing every year, targeting external services and internal system penetration and personal information theft. This article covers basic security activities that developers and operators must perform to operate, develop, and protect infrastructure, applications, and the cloud.

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.

After using it for 14 days starting immediately upon release, here are the reasons why I recommend Claude Code (AI Coding) to everyone—from job seekers to industry professionals—as something they can apply right away.

Do you need career planning for information security? Are you unsure of what to do to become an information security expert? We will inform you about the present and future of the information security field.

A course where you understand the core concepts of Java and Object-Oriented Programming (OOP), and even train to explain them verbally in interviews.

This is a lecture on the core concepts of performance marketing prepared for job seekers, job seekers, and non-majors. There is also an assignment prepared to virtually experience the job of performance marketing!📖

Through this course, learners will be able to acquire the skills necessary to obtain a Computer Utilization Proficiency certification. This course is structured according to the examination standards for obtaining the Computer Utilization Proficiency certification. You can learn and apply fundamental knowledge of Computer Utilization Proficiency subjects to prepare for certification acquisition.

Where and how should you start preparing to get a job as a data analyst? From data analysis project know-how to the job search experience of senior data analysts! You can hear it all at this February seminar.

LeetCode explained by Dalle, a Korean developer working at a Silicon Valley startup! This is a practical LeetCode problem-solving course that doesn't just provide answer codes, but compares multiple approaches for each problem, analyzes time and space complexity together, and explains why certain solutions are more efficient. First, we write the most intuitive approach and analyze its time/space complexity to identify bottlenecks and improvement points. Then, we explore alternative approaches applying various data structures and algorithmic techniques, comparing the performance differences and pros and cons of each method. Through this, it helps you develop problem-solving skills to design efficient solution strategies on your own when facing new problems.

This course has been prepared with “subtitles” for those who have chosen a career in mock hacking and are curious about how to prepare.

This is a [Backend, Resume Enhancement] class prepared for job seekers and junior developers.

Kakao Cote 6-week pass study method nerd scientifically selected algorithm/data structure extract

A course where you can understand core data structure concepts and train to explain them verbally for interviews.

Are we truly utilizing HTML and CSS to their full potential? Before getting trapped in complex frameworks and JavaScript logic, we will directly implement everything from Whac-A-Mole to escape room games using only markup and styling—the essence of the web. Experience the power of 'fundamentals that aren't swayed by tools,' taught by an active developer with 4 years of experience.

DevOps Interview Preparation: Master your interview preparation for Git, Docker, CI/CD, Terraform, Ansible, Kubernetes, and Monitoring.

I am covering the know-how on how I studied and got a job, starting as a non-major.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

Let's learn about information security and hacking techniques in a broad and detailed way!

Through this course, learners will be able to acquire the skills necessary to obtain a Computer Utilization Proficiency certification. This course is structured according to the examination standards for obtaining the Computer Utilization Proficiency certification. You can learn and apply fundamental knowledge of Computer Utilization Proficiency subjects to prepare for certification acquisition.

Is there any other profession where the perception from the outside and the actual work differ as much as a data analyst? We have prepared a March seminar for those who are curious about what data analysts actually do and what tasks they need to perform.