Microsoft has open-sourced RAMPART and Clarity, two tools designed to embed AI agent security testing directly into software development pipelines rather than treating it as a pre-launch checkpoint. The release signals that the industry is beginning to treat agentic AI systems, autonomous software that can call APIs, execute code, and interact with external data, as a distinct attack surface requiring dedicated tooling, not ad hoc review. For CISOs, this is a structural signal: organizations deploying AI agents without continuous security validation are accumulating technical debt in a threat class that Microsoft’s own concurrent research confirms is actively producing real-world remote code execution patterns.