Wireshark Packet Analysis for Real-World Incident Response and Penetration Testing

Learn how to use Notion, the next hottest app after Evernote, step-by-step from the beginning with a focus on practice.

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 lecture will help you understand cracking methods and solution diagnosis methods through reverse analysis of Windows applications. We will teach you how to apply OllyDBG step by step and the various techniques applied to Windows applications from the basics.

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.

This course will help you improve your work skills by utilizing PowerShell in your field.

When you think of IoT (Internet of Things), the first thing that comes to mind is Raspberry Pi. We will cover everything from the basic installation process of Raspberry Pi to sensor control, building and utilizing various servers, and cloud connection.

This course is a guide for those who have chosen a career in IT security or those who wish to pursue it.

Learn about information security professionals. What they do, what the outlook is like, and what to prepare to become one. This will be very helpful for those who are concerned about their career path.

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

This is a practical course that allows you to learn and practice from basic app analysis to applying source code response measures using an Android mobile virtual banking app. It is a course that can be taken from beginners to intermediate or higher. It is a required subject for those who have chosen the mock hacking career path.!!

This course has been prepared with “subtitles” for those who have chosen a career in mock hacking and are curious about how to prepare.

The most commonly used tool for web vulnerability analysis (hacking) is the web proxy server. Among them, BurpSuite is used the most. BurpSuite is planned to be regularly updated to help with web mock hacking.

This lecture is a free special lecture for those who have chosen a career in IT security from Boan Project (www.boanproject.com). It will be especially helpful if you have chosen a career in mock hacking.

The most important part of the security response and security control work is to monitor and remove potential security threats to your company/customer services in advance. Let’s establish and utilize a security threat monitoring plan using the OSINT search service Criminal IP.

For learners who find Docker operations and security hands-on exercises daunting, the instructor guides them through real-world workflows based on their infrastructure and penetration testing experience.

IT services are rapidly transitioning to a cloud environment. You will learn security practices from the basics of building a virtual infrastructure to monitor security threats in each area and diagnose vulnerabilities to secure the domestic Naver cloud environment.

Cyber security threats are increasing every year, targeting external services and internal system penetration and personal information theft. This article covers basic security activities that developers and operators must perform to operate, develop, and protect infrastructure, applications, and the cloud.

Cyber security threats are increasing every year, stealing personal information and abusing privacy. This course covers security issues and security activities that employees must know and follow in their work and personal lives.

You will learn how to analyze and quickly visualize various types of data using the Python Streamlit library and output it as a web service. You can use it when you want to apply it to your work faster than the existing web development method.

For job seekers unsure what to study and how to answer, we provide a practical roadmap and interview strategies based on real-world consulting experience.

[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 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.

Learn network programming from scratch, fully utilizing Python and ChatGPT. Rather than tedious conceptual explanations, the focus is on students directly writing network code through practical exercises and personally verifying how their written programs operate. You can acquire skills ranging from basic network practicals to network technologies applicable in real-world scenarios, and build deep understanding and proficiency through exercises dealing with various protocols and tools. Furthermore, by leveraging ChatGPT, students can have a memorable learning experience without feeling difficulty or boredom.

[Introduction to Security Incident Response: Learning through Scenarios of Web Server Hacking, Ransomware, and Account Takeover] This course examines why various information security incidents—such as web server hacking, ransomware, account takeover, and internal penetration—occur and how they spread, categorized by incident type. Students will follow each incident scenario to understand the attack flow, analyze the core causes of the incident, and learn how to resolve issues and prevent recurrence through security architectures such as firewalls, DMZ, access control, privilege management, backup, and log monitoring. Rather than a simple explanation of security concepts, this is a scenario-based introduction to information security that provides a comprehensive understanding from root cause analysis to resolution strategies.

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

This is a beginner level network course that solidifies the fundamentals of networks through packet tracer practice.

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

If you want to work for a long time as a super developer who can handle the entire process of service development and operations alone, building a solid foundation in IT infrastructure knowledge is just as important as learning various programming languages!

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 connected to passing the exam and is designed to help you acquire knowledge efficiently. Rather than emphasizing volume, we carefully select and explain "the essential parts you must master to pass"! Let's work hard together toward passing the Network Specialist exam!

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.

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

This is Part 1 of a roadmap course that neatly organizes, in a short amount of time, the essential computer science (CS) knowledge you need to excel at development and data. This course has also been used for years as an in-house course at top companies in Korea. Based on 20 years of experience in the field, ranging from systems software to web and app development and data science, this course systematically and thoroughly covers the core concepts you need to excel at development and data—while keeping them easy to understand.

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.

A course where you can understand core network concepts and train to explain them verbally for interviews.

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

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

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.

**"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.

⚓Kubernetes (Docker Desktop, Nginx, Minio, Longhorn) 🙇‍♀️Are you still hesitating? 🙋‍♂️Just trust me and follow along! I will take your skills to the ⭐next level.

Network studies that you give up on every time because they are difficult and boring. Finish it once and for all with this textbook.