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

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 is a basic course for those preparing for bug hunting (bug bounty) and mock hacking work. Web hacking is essential for mock hacking work. After learning web hacking, you can learn various cases from web hacking to system hacking by using a virtual web/server environment where you can study based on scenarios.

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.

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.

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

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 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.

The most difficult thing when malware is distributed is script obfuscation. Understand the obfuscation technique and analyze the malware executable file that is distributed after decrypting it.

You can understand the integrated log analysis construction step by step through practice using ELK, and it presents a method to visualize the logs of each system by integrating them. It can be used in various fields such as general data analysis utilization, breach incident analysis response, etc.

You can learn about the functional utilization of OWASP-ZAP, a web proxy required for running web services, and the virtual environment image Security Onion for analyzing breach response according to attack patterns.

We will be holding an online lecture on the topic of “Understanding/Practicing File Systems through Hacking Contest Problems.”

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.

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.

It covers everything from basic learning of Windows application defense techniques and bypass attacks to how to utilize them and analysis of the latest attack cases. It is highly recommended for those who have chosen a career in mock hacking or malware analysis.

You will learn techniques that can be applied in various fields of IT security, starting from the introduction to Python programming.

It includes module analysis and development stages using the vulnerability analysis framework Metasploit. This is the stage where you can freely use and utilize the modules you created after taking the beginner-intermediate Metasploit course. This is a high-level lecture that you cannot hear anywhere else in Korea or abroad.

In Disk Forensics CTF, we will learn about the various types of problem analysis methods that occur on the disk. We will look at the process of analyzing artifacts related to the disk structure and the operating system installed on the disk to find the hidden message or answer you want in the problem.

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.!!

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.

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.

For those who have chosen a career in information security/information technology and are preparing to move to large corporations/financial institutions, we will reveal our strategy for passing the exam. A current CISO who has personally recruited and recommended numerous people will share his secrets for passing the exam. He has heard from his acquaintances, security company CEOs and executives of large companies, and compiled a recruitment bible by collecting a vast amount of recruitment secret data.

Reflecting the latest trends!! The employment secret note is still being updated. (You can check the latest update date at the bottom of the curriculum) All the know-how about employment and job changes that the 'Kakao public recruitment passing developer' secretly tells you (Hot hot🔥)

This course teaches you the web planning process from A to Z, from RFP analysis, which is an essential competency for SI and next-generation project web planners, to linkage definition and integrated design, and then to test implementation and stabilization, step by step, and teaches you how to become a high-income web planning maestro by transitioning from a full-time employee to a freelancer.

Learn how to use office programs (Excel) required by business practitioners and acquire work processing skills suitable for the work environment.

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!📖

Data analyst job prep: Lost on where to begin? Get hints at this September seminar!

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

We will help you pass the Computer Proficiency Certificate in one go!

This is the CPPG WIN course, a shortcut to obtaining the CPPG certification. This is a theoretical course for passing the 2025 CPPG certification, reflecting the recent 6 exam trends.

If you are preparing for a job change after 5 years or less, we will tell you all about career management methods along with successful cases of career branding that can increase your passing rate by more than 2 times with a strategy that differentiates you from others!

Through this lecture, you will be able to skillfully utilize Excel functions in real-life situations. You will learn how to use the office program (Excel) required by business practitioners and acquire the ability to process work appropriate to the work environment.

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

If you want to get a taste of what real-world game planning is like, if you feel lost and don't know where to start when writing a plan for indie game production, if you're having trouble creating a plan portfolio for employment at a game company, or if you want to upgrade your current skills beyond your current level, I think this course will be helpful as a reference or reference material on the path to your goals.

It would be efficient to automate IT security tasks using Python, wouldn't it? This course follows hands-on practice, applying Python and web Flask development to automate tasks, idea by idea.

This is an introductory course that organizes the most frequently appearing database concepts in interviews and practical work with a flow-centered + diagram-centered approach. From basic SQL syntax to normalization, transactions, indexes, sharding/partitioning, and security, it structurally connects and explains complex DB concepts with real examples. At the end, an interview practice chapter is included, so you can confidently answer questions like "What is a transaction?" and "When do you use indexes?"

Through this lecture, students will be able to learn the basic and post-processing technology flow of semiconductors, and will be able to learn the content necessary to prepare for interviews at post-processing semiconductor companies.

Let's perfectly prepare for the second coding test (implementation test) by solving 10 problems created with reference to front-end coding tests given by actual companies!

From design collaboration methods to career advice, Wanted Product Designer Sanghyo Lee shares stories you might be curious about.

This course carefully selects only the essential JavaScript core concepts you must know for practical work and interviews, covering everything from scope and execution context to closures, prototypes, asynchronous processing, and module systems all in one comprehensive guide. Going beyond superficial syntax explanations, it's structured to help you understand how JavaScript actually works from fundamental principles. Through examples and visual materials, even concepts that seemed difficult are explained easily, aiming for 'understanding that can be expressed in words' that you can directly utilize in interviews. If you want to systematically organize JavaScript's operating principles, start right now.