[Security] Building and Operating a Threat Hunting System Using Wazuh+ELK (SIEM) (Basic)

Through this course, reflecting the latest IT employment trends (public corporations, large corporations, IT companies) from beginner to advanced, a total of 133 final successful applicants were accepted into 81 institutions including the Bank of Korea, Financial Supervisory Service, Korea Securities Depository, and Incheon International Airport Corporation.

[Reflecting the latest related regulations and guidelines presented by the Korea Financial Security Institute, Financial Supervisory Service, and Personal Information Protection Commission] This is a course where you learn how an organization's security governance and internal control systems should operate through actual financial security incident cases. You will analyze the causes of incidents and response processes, and based on this, learn effective security policy establishment, risk management, and compliance response methods. The goal is to build security culture and control systems across the entire organization, going beyond technical responses.

This lecture is designed for understanding even if you have no prior knowledge of what Secure Coding (Security Coding) is. After covering basic security coding concepts, it focuses on web service security. This was a special lecture presented under the auspices of OO University. It presents over 160 source codes with rich comments, pinpointing core topics and techniques immediately applicable in practice.

When you join a company and start a project, you will start with setting up the server. At this time, you will not be able to set up properly without understanding the cloud and Linux. Learn the technologies and techniques for the cloud and Linux through this lecture!

This is a practical, hands-on course that provides incident analysis training through practical exercises and the basic knowledge required to perform duties as a security analyst. We will together examine incident analysis methods from a practical perspective, necessary for corporate intrusion response and analysis tasks.

Creating the same up-to-date app development environment by installing Nix on Mac, MS Windows, NixOS, all Linux distributions, and Synology NAS.

Learn systematically from the basic usage to the advanced features of Zabbix, an essential tool for effective monitoring of IT infrastructure. We offer the opportunity to grow into a monitoring expert using Zabbix through real-world application examples.

✅ Out of the entire series (1) ~ (7), (5) operating system, user interface, database ✅ CS101 series lectures - From basic computer theory to the latest practical examples - Provides a wide range of basic knowledge

From the fundamentals of systems engineering to security setup, this course will guide you along the way.

This is a lecture by the author of 'Brain-Stimulating Windows System Programming' published by Hanbit Media Co., Ltd.

Now I can analyze the Linux kernel too! The easiest kernel lecture among Linux kernel lectures.

This is a 'Practical Linux Troubleshooting Course' where you analyze and solve problems together with generative AI, based on a Docker practice environment that reproduces 5 representative failures that occur in actual Linux operating environments. Even those who were overwhelmed about where to start examining problems can learn the problem-solving approach and thought process of field engineers through AI guidance.

This lecture is about automotive ECU cyber security based on a basic understanding of cryptography.

This is an extended Amazon EKS course covering a wide range of topics that Amazon EKS users should definitely know.

The author of 'Linux Kernel Structure and Principles Learned Through Debugging' properly explains the core concept of the 'interrupt bottom half' in the latest Linux kernel (v6.1), most used in system software.

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

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.

This course carefully selects the core systems that beginners must know in the vast field of information security. Instead of rigid theory, it's structured to help you intuitively understand system principles through clear analogies and practical examples. With this single course, you can grasp the big picture of information security systems as a whole and develop practical skills.

Master AWS networking completely! Learn VPC, subnet, routing, and security with a focus on practical application, and design secure and scalable cloud network architectures. Complete the core skills that every working engineer must know in a short period of time!

Through this course, you can study short answer and descriptive questions from past practical exams for the Information Security Engineer.

The author of "Learning the Structure and Principles of the Linux Kernel through Debugging" properly explains the core interrupt concepts of the latest Linux kernel (v6.1), most used in system software.