5Gネットワ​​ークを理解する

We foster capabilities to prepare for future technological changes by learning from the basics related technologies that are at the core of 4th Industrial Revolution technologies, such as ICBM (IoT, Cloud, Big Data, ML), autonomous vehicles, and the metaverse.

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.

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.

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 course proceeds in stages, similar to the actual work, by learning and applying the necessary knowledge while configuring the infrastructure.

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

Have you ever wondered how real attackers carry out cyberattacks? BHPT is a comprehensive, hands-on course that uses on-demand labs to simulate penetration testing from an attacker's perspective on specific hosts, teaching methodologies for discovering, attacking, reporting, and responding to vulnerabilities.

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

How does the Internet work, and how do browsers fetch web pages? A core CS (computer-science) lecture, organizing network concepts along the OSI 7-layer model, to enable self-explanation of this question. Structured for intuitive understanding through diagrams and flow-centric explanations, and it organizes concepts frequently appearing in technical interviews—such as Transport Layer (TCP/UDP), IP Address, NAT, HTTPS—by linking them to actual questions.

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

While studying information security, you've probably had this thought at some point. "Firewall, CSPM, SIEM... I've heard the names, but I'm not sure exactly what they do." This lecture is structured to help those new to information security clearly understand the 'landscape of security solutions'. From the concept, main features, pros and cons, examples, to the latest trends of each solution... Comprising a total of 23 lectures, why not dispel your vague understanding of security solutions right now?

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

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

This is a course where you create a mini RPG 2D game to learn 2D development techniques, and then learn the process of converting the completed game into a network game by transitioning it to Netcode for GameObject. It covers various essential tilemap functions for 2D games, and is designed to naturally help you learn clean code writing techniques that adhere to SOLID principles. Additionally, this is a lecture that builds the foundation for network games using the updated Netcode API in the latest Unity 6 version.

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!

Free lecture by the author of the best-selling book, “Network Study Alone.” A summary of a network textbook that developers must know.

✅ 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

Through this course, students will learn the structure of computers and the overall concepts and flow of networks.

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.

Let's leverage AWS's key networking services to build everything from simple, basic networks to multi and hybrid networks, understand traffic flow in the architecture, and develop the skills and confidence to implement real cloud networks ourselves.