Agentic AI Security: Risks, OWASP Agentic Top 10, and Defensive Patterns (2026)

Agentic AI systems use LLM-powered loops to autonomously execute tools and APIs, differing from standard request/response calls. This operational shift introduces distinct risks, as models choose side effects across iterations. To address these vulnerabilities, the industry utilizes the OWASP Agentic AI Top 10 risk taxonomy and the AWS Agentic AI Security Scoping Matrix. Developers implementing these workflows in Java or Python must apply retries and structured output to manage the inherent risks of autonomous action.