Recent discussions around AI-driven cyber defense outline an important strategic direction: accelerate defensive capabilities responsibly, coordinate across sectors, and expand access to advanced tools for legitimate defenders. This direction is constructive and timely. OpenAI Unveils New Five-Point Cyber Defense Strategy However, to make such a strategy operationally resilient in real-world security environments — especially critical infrastructure, regulated industries, and air-gapped systems — it must be extended beyond policy principles into engineering guarantees. This article proposes complementary architectural enhancements that strengthen long-term defensive advantage without contradicting the original vision. 1. The Limits of Trust-Based Access Tiered access programs for "trusted defenders" aim to balance capability with safety. The intent is understandable: provide powerful tools to those who need them while reducing misuse risk. Yet in security engineering, trust is not a stable primitive.…