# TryHackMyAI > Practical AI security learning through lessons and isolated, time-limited labs using fictional targets. ## Current availability There are 2 published free lessons and 2 related free labs. Additional live lessons and labs require verified paid access. Check the pricing page for current purchase availability and access limits. The 1,020 course concepts shown in the catalog are planning ideas, not published courses. Their lessons and labs have not been built. Release dates and inclusion in paid plans are not confirmed; current purchases cover the live catalog only. ## Free lessons - [What Is Prompt Injection? Attacks, Examples, and Defenses](https://tryhackmyai.com/learn/prompt-injection): Learn what prompt injection is, how direct and indirect attacks work, how to test safely, and which layered defenses reduce risk. - [What Is RAG Security? Attacks, Poisoning, and Defenses](https://tryhackmyai.com/learn/rag-security): Understand RAG security, poisoned retrieval, indirect prompt injection, provenance checks, grounding, and safe testing. ## Free labs - [Prompt Injection Basics](https://tryhackmyai.com/labs/prompt-injection-basics): Learn how instruction priority changes model responses and how layered controls reduce prompt injection risk. - [RAG System Exploitation](https://tryhackmyai.com/labs/rag-system-exploitation): Practice identifying poisoned retrieved context and adding provenance, grounding, and authorization controls. ## Public site information - [AI Security Lab Plans & Pricing | TryHackMyAI](https://tryhackmyai.com/pricing): Compare TryHackMyAI plans, included lessons, lab sessions, and practice time. Start free and choose the AI security learning access that fits your goals. - [AI & Cybersecurity Learning Roadmap | TryHackMyAI](https://tryhackmyai.com/roadmap): Explore the TryHackMyAI roadmap for affordable AI and cybersecurity education, practical courses, and hands-on labs. See what we plan to build next. - [Hands-on AI Security Labs | TryHackMyAI](https://tryhackmyai.com/): Learn AI security through practical lessons and isolated cloud labs. Start free with prompt injection and RAG security, then explore advanced attacks and defenses. - [AI Security Lessons & Learning Paths | TryHackMyAI](https://tryhackmyai.com/learn): Build your AI security knowledge with lessons on prompt injection, RAG, AI applications, and infrastructure. Start with two free lessons and their cloud labs. - [10 AI Hacking & Cybersecurity Platforms | TryHackMyAI](https://tryhackmyai.com/blog/top-cybersecurity-ai-security-learning-platforms): Compare ten hands-on AI hacking and cybersecurity learning platforms. Explore their specialties, learning formats, access models, and who each platform suits. - [Hands-on Cloud AI Security Labs | TryHackMyAI](https://tryhackmyai.com/labs): Practice AI security in isolated cloud playgrounds, from prompt injection and RAG attacks to model extraction. Start with two free labs and explore the catalog. - [Try Hack My AI: AI Security Authors | TryHackMyAI](https://tryhackmyai.com/authors/try-hack-my-ai): Meet Try Hack My AI, the author and reviewer of TryHackMyAI lessons. Explore practical educational material on prompt injection, RAG, and AI application security. - [Free AI Security Learning Community | TryHackMyAI](https://tryhackmyai.com/community): Connect with students, developers, security learners, and AI builders in the free TryHackMyAI community. Find our channels and learn AI security together. - [About TryHackMyAI | Practical AI Security Learning](https://tryhackmyai.com/about): Discover why TryHackMyAI makes AI security education practical and affordable. Learn about our lessons, isolated cloud playgrounds, and approach to safe practice. - [AI Security Lessons & Labs FAQ | TryHackMyAI](https://tryhackmyai.com/faq): Find answers about TryHackMyAI lessons, cloud labs, accounts, access, and progress. Learn how the platform works and what you need to start practicing AI security. - [Privacy Policy | TryHackMyAI](https://tryhackmyai.com/privacy): Learn what information TryHackMyAI collects, how it is used and protected, and how to exercise your privacy choices and rights. - [Terms and Conditions | TryHackMyAI](https://tryhackmyai.com/terms): Read the terms for using TryHackMyAI lessons, labs, accounts, AI features, and community services, including your responsibilities when using the platform. - [Cookie Policy | TryHackMyAI](https://tryhackmyai.com/cookies): Understand the browser storage and optional analytics used by TryHackMyAI. Learn how consent works and how to manage or change your privacy choices. ## Access boundaries Account pages, admin tools, payment results, APIs, playground runtimes, paid lesson bodies, and the exact planned course/lab inventory are not public reference material. Signing in alone does not grant paid access. Public URL discovery: https://tryhackmyai.com/sitemap.xml