Network Step 1 (Network Model) Anyone Can Start

You can easily understand the principles and attack methods of **SQL Injection (SQLi)**, the most frequent and dangerous web vulnerability.

(Warning!) This course is for those who have never done a mobile app security audit before and are feeling overwhelmed. It is suitable for those who need to prepare a mobile app audit in a hurry or who need to quickly learn the basic auditing methods.

For those who know network theory but have difficulty actually building one, we will teach you the basic methods for building and configuring a network.

This is a web vulnerability diagnosis lecture based on the major telecommunications infrastructure web vulnerability guide. Use this lecture to diagnose web vulnerabilities.

This is a lecture on subnetting, which is necessary when creating or reading network configuration diagrams.

For those who know network theory but have difficulty actually building one, we will teach you the basic methods for building and configuring a network.

This is a lecture on subnetting, which is necessary when creating or reading network configuration diagrams.

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!

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.

[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.

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.

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.

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.

This is a hands-on introductory course for AWS cloud beginners that follows and learns basic AWS cloud network knowledge.

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

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

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

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

This course will help you understand the value of IoT and how it changes our lives and society. You will learn the basics of IoT device programming, IoT device connection technology, big data analysis, and automation. You will understand digital transformation and its impact on businesses and society.

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

A course that helps you understand core network concepts and practice explaining them verbally for interviews

Enhance your understanding by directly implementing L2 arping and L3 ping using the libc crate in the Rust language.