Network Step 2 (Subnetting) for Anyone to 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 assessment course based on the Major Information and Communication Infrastructure Web Vulnerability Guide. Use this course to perform web vulnerability assessments.

This is the "Network Model" episode, the first step of the basic network lecture series that you can learn even if you don't know the first thing about networks.

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 the "Network Model" episode, the first step of the basic network lecture series that you can learn even if you don't know the first thing about networks.

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!

[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.

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

This course is Part 3 of the Full Stack lecture series, designed to help you solidly master the latest server technologies and Docker. The course is structured to enable you to practically incorporate Docker into your tech stack by meticulously testing Docker's various options, learning related technologies such as Linux that are necessary for understanding Docker, and building actual complex services.

This course covers the basics of Amazon EKS, an AWS-managed Kubernetes service, designed for beginner Amazon EKS users.

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.

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.

We have gathered all the essential network theories that those planning to operate services in an AWS environment must know. Through this course, you can understand the principles of how AWS VPC (Virtual Private Cloud), composed of private networks using Private IPs, works and gain a detailed understanding of the roles of services such as ALB and NLB.

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 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.

This course will help you prepare for the AWS Certified Cloud Practitioner certification and learn about cloud concepts and AWS services in general.

How do the sites we access every day work? Before we start studying data in earnest, let's take some time to learn about servers and the Internet, which are the background knowledge of IT.

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

Creating a simple Omok game using Unity and a C# server

Arduino? Coding? You don't need to know anything. Just invest a little bit of your free time and you'll find something amazing.

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

⚓ Kubernetes CKAD Certification! 🙇‍♀️Are you still hesitating? 🚢Board the Ilpro-ho! We will guide you through the optimal route.