Microsoft calls for hardware-anchored safeguards for open-weight AI models

• Microsoft backed open-weight AI models as key to US competitiveness, while warning developers lose control of model weights once deployed.
• It said software guardrails can be stripped from locally modified open models, raising risks when models run agentic workflows tied to enterprise systems.
• It urged hardware-anchored execution controls at “T=0” to block unauthorized execution threads at the silicon and PCIe level.

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