Wireshark Network Packet Analysis Practice for IT Security

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.

We cover everything from introduction to utilization of the framework for flexibly running distributed systems in a container environment using “Kubernetes,” an open source virtualization project based on containers.

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.

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.

This is the seventh series of integrated courses that cover everything from the introduction to practical application of ISMS-P certification auditor qualification examination, "ISMS-P certification auditor qualification examination basic/practical course T5. Cloud and network security". Based on actual information protection practice cases, you can also learn the detailed work of the certification system and information protection management system.

This is the fourth series of integrated courses that cover everything from the introduction to practical application of ISMS-P certification auditor qualification examination, "ISMS-P certification auditor qualification examination basic/practical course T3. Certification criteria 3". Based on actual information protection practice cases, you can also learn the detailed work of the certification system and information protection management system.

This is the third series of integrated courses that cover everything from the introduction to practical application of ISMS-P certification auditor qualification examination, "ISMS-P certification auditor qualification examination basic/practical course T2. Certification criteria 2 (2/2)". Based on actual information protection practice cases, you can also learn the detailed work of the certification system and information protection management system.

This is the second series of integrated courses that cover everything from the introduction to practical application of ISMS-P certification auditor qualification examination, "ISMS-P certification auditor qualification examination basic/practical course T2. Certification criteria 2 (1/2)". Based on actual information protection practice cases, you can also learn the detailed work of the certification system and information protection management system.

This is the first series of integrated courses that cover everything from the introduction to practical application of ISMS-P certification auditor qualification examination, "ISMS-P certification auditor qualification examination basic/practical course T1. Certification system, certification standard 1". Based on actual information protection practice cases, you can also learn the detailed work of the certification system and information protection management system.

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.

This is the sixth series of integrated courses that cover everything from the introduction to practical application of ISMS-P certification auditor qualification examination, "ISMS-P certification auditor qualification examination basic/practical course T4. Personal information protection law revision (2/2)". Based on actual information protection practice cases, you can also learn the detailed work of the certification system and information protection management system.

This is the fifth series of integrated courses that cover everything from the introduction to practical application of ISMS-P certification auditor qualification examination, "ISMS-P certification auditor qualification examination basic/practical course T3. Personal information protection laws (1/2)". Based on actual information protection practice cases, you can also learn the detailed work of the certification system and information protection management system.

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

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.

This is an introductory malware analysis course that even beginners can easily understand. Based on methodologies such as static analysis, dynamic analysis, and automated analysis of malware analysis, you will analyze various sample cases. It also covers in detail how to use various tools necessary for malware analysis.

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.

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.”

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.

Web Hacking, Okay For Beginners. Web Security Intro: Basics to Practical Feel, Learn Like a Hacker.

Learn about the network multiplayer framework, also known as the other Unreal Engine. Learn the key concepts, inner workings, and optimization techniques you need to know when creating a network multiplayer game, then create a hack & slash type PvP battle game.

This lecture is written from the perspective of a non-major, so it may be lacking. However, as a non-major, I may know better what is difficult to understand.

We introduce the basic knowledge of Hack&Hat analysis, a must-have subject to become a security expert.

If you are a developer who deals with HTTP or want to become a developer but did not major in computer science and are weak in networking, gain lifelong knowledge with this one course!

KCA Information Security Risk Manager (ISRM) certification course! The cornerstone for acquiring the top 3 personal information protection certifications: CPPG, ISMS-P!

This training will help you understand the world-famous cloud, build your own cloud environment, and strengthen your ability to use it easily.

This course is for those who want to develop packet analysis programs like Wireshark and various network solutions using the Npcap library.

How does the internet work, and how do browsers fetch web pages? This is a core CS (computer science) lecture that organizes network concepts following the OSI 7-layer flow so you can explain this question yourself. It's structured with diagrams and flow-centered explanations to help you intuitively understand the structure, and connects concepts like the transport layer (TCP/UDP), IP addresses, NAT, and HTTPS that frequently appear in technical interviews to actual questions.

✅ Among the series of (1) ~ (7), (7) web applications, networks, clouds, WWW, information security ✅ CS101 series lectures - From basic computer theory to the latest practical examples - Provides a wide range of basic knowledge

Creating a simple Gomoku game using Unity and a C# server.

Want to work for a long time as a super developer who can handle the entire process of service development and operation on your own? Then build a solid foundation in IT infrastructure knowledge from the ground up, which is just as important as various development languages!

This is a lecture [Certification and Practice (Security · Network), Security] prepared for beginners.

This is Part 1 of a roadmap lecture that concisely organizes the essential computer science (CS knowledge) needed to excel in development and data, in a short period. This lecture has also been used as an in-house lecture at top domestic companies for several years. Based on 20 years of experience in actual practice, from system SW to web, app development, and data science, this lecture systematically yet easily organizes the essential core knowledge needed to excel in development and data.

Learn about networks easily, quickly, and engagingly with pictures and videos!

Learn the core HTTP features essential for practical use and how to design proper HTTP APIs.

For those aiming to pass the "Network Specialist Examination." This course is a learning program that condenses only the key points of the IPA Network Specialist Examination. It focuses on themes directly linked to exam success and is designed to help you acquire knowledge efficiently. Rather than emphasizing volume, we provide carefully selected explanations of "the essential parts you must master to pass"! Let's work together toward passing the Network Specialist exam!

⚓Kubernetes (Docker Desktop, Nginx, Minio, Longhorn) 🙇‍♀️Still hesitating? 🙋‍♂️Just trust me and follow! I will make your skills ⭐another level.

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.