OWASP LLM Top 10: Test Your AI App (2026)

Learn the OWASP Top 10 for LLM Applications (2026) through one AI-app architecture. For each risk, we explain the failure path, use a fictional example, and show a practical way to test or reduce it. The walkthrough follows trust boundaries between the user, retrieved data, model, tools, and output. The OWASP list is a prioritization aid; which risks matter most depends on your system. Chapters 00:00 The AI app trust boundary 00:54 Prompt injection 01:30 Sensitive information disclosure 02:15 Excessive agency 02:48 Supply chain 03:18 Data and model poisoning 03:50 Unbounded consumption 04:16 Misinformation 05:11 Hidden context exposure 05:42 Vector and embedding weaknesses 06:17 Improper output handling 06:52 How to test your system Official OWASP 2026 guide: https://genai.owasp.org/resource/owasp-gen... #OWASP #LLMSecurity #AISecurity