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The Twenty Minute VC (20VC) · Monday, October 26, 2026

Nadella Advocates for Zero-Trust Architectures and Tamper-Proof Chain-of-Thought Logging for AI Agents

Discussing the security risks of increasingly capable models, Satya Nadella explained that Microsoft builds zero-trust environments with agent identities, logged model calls, and auditable English chain-of-thought outputs to contain potential malfunctions.

tickerMSFTpersonSatya NadellapersonHarry StebbingscompanyMicrosoft

The tape

2 quotes
“So that's why I kind of look at it and say, you leave AI safety outside of this... the trust architecture is going to be just, you know, what a company like Microsoft does or all the cyber [security firms].”
Satya Nadella
“It gives every agent an identity. It then logs all of its activity, all its tool calls. In fact, every model call and the COT in it. In fact, that's where I'm also asking that all the COT better be in English and not in new release.”
Satya Nadella
Heard on The Twenty Minute VC (20VC) — “20VC: Satya Nadella on Open vs Closed Models: Who Wins | Whether to Trust Frontier Model Providers | Why Companies Need to Own Their Own Intelligence | The Importance of Verticalisation: From Chips to Models and More”, published Monday, October 26, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.
Transcribed via deepinfra · $0.01
Nadella Advocates for Zero-Trust Architectures and Tamper-Proof Chain-of-Thought Logging for AI Agents — Heardvine