agent skill — A reusable instruction file that teaches an agent how to do one job well — the procedure, the tools, and what counts as done.
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
Why it matters
Documents agentic AI executing attacks rather than advising on them, including a coding AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → choosing what to exfiltrate and how to price extortion across 17 victims. That is the threat model to design agent permissions and monitoring against.
