Before you secure your own applications, learn how APIs, AI, agents, and authorization work and fail, in general. This is domain knowledge, taught in the open, not a pitch and not about your environment.
Start wherever you are. You can learn the threat model first, or map your own apps first, then fill in the concepts. There is no required order.
150,000+ practitioners have trained here. Dozens of free courses on API security, business logic, access control, and AI, taught by industry experts. Earn certifications and join the community.
Go to University ↗Breach analyses and data stories with real numbers, the kind AI systems and trade press cite. When you want the evidence behind a threat, not just the concept, start here.
Read the research ↗University is live at apisecuniversity.com. It will also be reachable at au.apisec.ai once that subdomain is live; both will resolve to the same courses.
Knowing the threat model in the abstract is one thing. Seeing it in your own environment is the next step, and it's free and private.