Vibe Security

Why do so many people fall for phishing attacks? In this lecture, we will examine how phishing is designed and executed through real-world attack cases, understand various types including smishing, QR phishing, and corporate-targeted attacks, and summarize prevention and response methods from a practical perspective.

This is an introductory course designed so that even people encountering information security and personal data protection for the first time can understand the overall flow within an hour. From security concepts to practical methods in daily life, and even the core content of Korea's Personal Information Protection Act (PIPA), only the essential parts are organized in an easy and simple way. Even without security knowledge, after listening, you'll naturally acquire the basics of safely handling personal information in daily life and work.

This course carefully selects the core systems that beginners need to know in the vast field of information security. Rather than relying on rigid theory, it uses clear analogies and practical examples to help you intuitively understand how these systems work. With this single course, you can grasp the big picture of information security systems and build practical skills.

Build your own customer support agent team with the OpenAI Agents SDK, scaling from one agent to seven. For each feature, trigger real-world incidents and learn to prevent them with code. Cover all ten items in the OWASP Agentic Top 10 across 65 lessons, including tool permissions, guardrails, PII masking, human approval, code execution sandboxes, MCP, and kill switches.

Repeatedly study the 100 most frequently appearing CPPG core topics through theory, mind maps, and problem solving.

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

Records remain, and responsibility grows! Everything about digital ethics that protects the workplace This course explores digital hate, digital sex crimes, and the risks of using AI that can actually occur in the workplace through case-based stories, clearly explaining what the problems are and how to prevent and respond to them. It firmly establishes the standards of digital ethics that today’s employees—who communicate digitally and use AI as part of their everyday work—urgently need, including how to work while respecting one another in digital spaces and how to use AI more safely and responsibly.

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.

As AI systems become agentic and expand beyond text into image, audio, and multimodal capabilities, security threats are becoming significantly more complex. This lecture analyzes the latest security threats and attack techniques faced by AI Agents and Multimodal LLMs, as well as real-world cases, from an AI Red Teaming perspective.

Have you heard of information security solutions, but do you know their exact roles and differences? A variety of information security solutions are used by businesses, including firewalls, IDS, IPS, WAF, DLP, and EDR! Precisely understanding the role each one performs, how it works, and in what situations it is used is an important first step toward developing your information security skills. A complete beginner’s guide to information security solutions (systems) that anyone can easily learn! Learn complex security technologies easily and systematically, starting from the basics.

This course puts an end to operational vulnerabilities on Linux servers caused by incorrect permissions. Master file and directory permission control completely based on real-world practices.

This is a lecture [Certification and Practice (Security · Network), Security] prepared for beginners.