Complete SIEM Deployment in One Go: First Steps in Threat Hunting Using Wazuh and ELK (Basics)

- The standard for IT employment in public institutions, proven by 187 successful candidates 🏆 "6 months, the most perfect roadmap to turn vague preparation into confidence" 🚀 We have packed the practical know-how of the 'Employment Bomber,' who has produced successful candidates for 89 major public institutions and large corporations, into a single course. 1. Overwhelming Results (Proven Track Record) 🥇 Total successful candidates: The legend of 187 final passes (as of '24.5) Target institutions: Entered 89 major institutions nationwide, including the Bank of Korea, Financial Supervisory Service, Incheon International Airport Corporation, Korea Securities Depository, etc. Core Value: NO simple theory delivery! Strengthening 'job-centered expertise' proven by actual successful applicant data 🎯

**"Digital Forensic Techniques by Byte Detective: Evidence Collection and Securing"** is a course focused on how to collect and preserve digital evidence required in cases of cybercrime, internal information leakage, and security incidents. From the basic concepts of digital forensics to the principles of evidence collection, maintaining integrity, and legal procedures for securing evidence, this course explains everything through case studies and procedural steps so that even beginners can understand. You can systematically learn the forensic mindset and core concepts of securing evidence that are essential to know before using professional analysis tools.

[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.

The author of "Learning the Structure and Principles of the Linux Kernel Through Debugging" provides a proper explanation of the core concepts of 'Interrupt Bottom Halves' in the latest Linux kernel (v6.1), which is most widely used in system software.

Get familiar with the latest Personal Information Protection Act of 2023 and prepare for ISMS-P and CPPG certifications and personal information protection practices.

CPPG WIN is the shortcut to obtaining your CPPG certification. This is a theoretical course designed for passing the 2026 CPPG exam, reflecting the trends of the last 13 sittings.

This course puts an end to operational vulnerabilities in Linux servers caused by incorrect permissions. Completely master file and directory permission control based on real-world practical standards.

Mastering Threat Mitigation, Custom Rules, and API Protection for Modern DevOps Pipelines

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 is a lecture given directly by the author of 'This is Linux' published by Hanbit Media.

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!

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

An introductory course that makes the terminal less intimidating even for Linux beginners, teaching you how to view server logs, find files, and develop practical skills using just cd / ls / grep

The author of "Learning the Structure and Principles of the Linux Kernel Through Debugging" provides a thorough explanation of the core interrupt concepts of the latest Linux kernel (v6.1), which are most widely used in system software.

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.

Linux for Beginners: Mastering the Command Line. The ultimate course for Linux administration in corporate jobs. Unlock the power of the Linux operating system with this comprehensive beginner-friendly course. Whether new to IT or wanting to advance technical skills, this course will take one from zero to proficient in Linux fundamentals. Learn to navigate the command line, manage files and directories, handle permissions, and automate tasks with shell scripting. What You'll Learn: How to Navigate the Linux File System and Master the Command Line Managing users, groups, and file permissions for secure access Installing, updating, and removing software with package managers Basic system administration and troubleshooting skills With hands-on labs and real-world examples, you’ll quickly build confidence in managing Linux environments. By the end of this course, you’ll have a strong understanding of essential Linux concepts like file permissions, process management, and network configuration. Also, this course covers basic networking, disk management, and process monitoring. Whether you have a career goal in the realms of DevOps, cybersecurity, or cloud engineering, learn Linux today to make more career opportunities pop open in IT, DevOps, SRE, Support, IT helpdesk, IT Admin, cybersecurity, or software development! Practical Skills for Self-Confidence on Any Linux-based System Boost Your Tech Portfolio

This course proceeds in stages where you learn and apply necessary knowledge while building infrastructure, similar to real-world practice.

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

This was produced by faithfully reflecting the latest 2026 legislative amendments and recent exam trends. I will explain everything in the easiest way possible so that even those with no prior knowledge of personal information can understand. If you follow along until the end, you will surely pass. Please trust me and join us!

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

We provide 140 sounds in 5 areas that will help you with the CPPG certification exam. We also provide an introduction to how to use the 111 questions that are automatically generated each time, and a one-time lecture and explanation.