What is an information security expert? What do they do and how should they prepare?

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

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.

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

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.

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.

You will learn techniques that can be applied in various fields of IT security, starting from the introduction to Python programming.

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.

You will be able to open the process and manipulate the values you want through the Cheat Engine tutorial. Have fun practicing from installing the tutorial to the bot that automatically breaks it!

In Disk Forensics CTF, we will learn about the various types of problem analysis methods that occur on the disk. We will look at the process of analyzing artifacts related to the disk structure and the operating system installed on the disk to find the hidden message or answer you want in the problem.

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.

We covered everything about Metasploit, a vulnerability analysis framework used for mock hacking and vulnerability analysis work.

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.

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.

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

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

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.

I want to do data analysis and machine learning with Python programs. Isn't it difficult? First, you need to learn the basic grammar and basics of Python programs. This course will help you get out of the beginner stage.

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.

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.

Do you want to get a job in the information security field? You are planning to get a job but don't know what to do? Real Voice from a security professional, we will lead you to the best employee after the interview/entry.

Everything you need to know to become an offensive white hacker. From the path to becoming an elite hacker to conquering the information security market, all the tips are compressed into one lecture!

Do you need career planning for information security? Are you unsure of what to do to become an information security expert? We will inform you about the present and future of the information security field.

LeetCode explained by Dalle, a Korean developer working at a Silicon Valley startup! This is a practical LeetCode problem-solving course that doesn't just provide answer codes, but compares multiple approaches for each problem, analyzes time and space complexity together, and explains why certain solutions are more efficient. First, we write the most intuitive approach and analyze its time/space complexity to identify bottlenecks and improvement points. Then, we explore alternative approaches applying various data structures and algorithmic techniques, comparing the performance differences and pros and cons of each method. Through this, it helps you develop problem-solving skills to design efficient solution strategies on your own when facing new problems.

From comparing 14 different job roles to understanding job functions, analyzing job postings, study roadmaps, and career transition strategies — we have gathered only the essentials needed to get started in data analysis. We will lay out a map to help you find your direction without wasting any time!

As the adoption of generative AI accelerates, new security threats such as corporate confidential information leaks and prompt injections are surging. This course covers strategies for embedding security throughout the entire AI lifecycle, based on the National Intelligence Service (NIS) guidelines' 30 core security measures and 15 practical threat cases. It also addresses security issues in the latest AI trends, such as Agentic AI and Physical AI, and presents methods for establishing governance frameworks that can be immediately applied in practice.

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.

Experience 90% of Digital Circuit Design hires had! Gain semiconductor product understanding + practical experience & specs + employment leverage tips through [Computer Architecture (CPU / SRAM / CACHE / DRAM / NAND) + SoC Protocol Design (FIFO / AMBA / Serial communication) projects most frequently used by current Samsung Electronics employees in practice]!

This is a free special lecture that can help you strengthen your information security and personal information protection capabilities.

[Introduction to Service Planning] Current planners from large corporations N and K will become online mentors and explain planning methods in detail to those who are taking their first steps as planners and those seeking a job in service planning.

Do you feel overwhelmed just thinking about the moment of persuasion? Stop relying on emotions and intuition for negotiations! With former Apple business coach Jasmine Han, you can take control of negotiations in just 15 minutes a day for one month.

This course is part of the 'Wrtn AI Literacy Voucher Program', a collaboration between Inflearn and Wrtn, and is available completely free for job seekers who are vulnerable to AI. Career expert Career D will teach you step-by-step how to apply AI to job searching and career transitions. From basics to hands-on practice, it's designed so that even AI beginners can follow along easily without any burden!

Learn how to use office programs (Excel) required by business practitioners and acquire work processing skills suitable for the work environment.

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

[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.

This is a mentoring-style lecture for job seekers who want to prepare for a job as a digital marketer but don't know what or how to prepare.

It covers the entire SNG game practical planning book, and shows all the details of the actual SNG planning. It provides both video lectures and PDF files (255 pages), so you can learn with the video lectures and review with the PDF planning book. #Excel files are not provided among the lecture materials.

Let's test your development type! Not MBTI, but MBIT! My Best IT personalities! You can take a look at the overall aspects of development and find the development aptitude that suits you best.

What does a Fashion Merchandiser (MD) actually do? Based on 10 years of experience in New Balance product planning and brand management, I will guide you through the roles of an MD, actual work processes, daily routines, the mindset for achieving results, and even job preparation from a practical perspective. This is an introductory course for those who want a realistic understanding of the job.

This course is a foundational learning program that covers Introduction to Information and Communication Technology, one of the core theories in computer engineering. Through this course, learners can understand the basic structure and operating principles of computers, and learn the principles and applications of information and communication technology based on this foundation. It is structured to provide comprehensive learning from the processes of information generation, transmission, processing, and storage to data communication methods in network and internet environments. In addition, by understanding the basic concepts of information and communication technology along with the trends and roles of information and communication technology utilized in real life and industry as a whole, it provides a solid theoretical foundation for learners who are first entering the fields of computer engineering and information and communication technology. 👉 By taking this course, learners can build a fundamental foundation in information and communication technology that encompasses computers and networks, and furthermore, utilize it for advanced learning or preparation for related certifications.