When an AI agent reads a webpage, email, or document, that content can tell it what to do. The agent has no native way to distinguish data from instructions. Most defenses scan for obvious patterns and miss anything subtle. I built Arc Gate around a different principle: external content has zero instruction authority regardless of what it says. It doesn't matter how the injection is worded. If it came from a tool result, webpage, or email, it cannot instruct your agent. The numbers: AgentD...