Archive - Stacked Zero Trust

Stacked Zero Trust: A Working Architecture for the Agentic Era

When the thirteenth essay went out, I said the architecture deserved a more structured form than a series of posts allows — and that a companion…

Sep 11 • colin henderson

August 2026

The Next-Generation CISO Conversation

Stacked Zero Trust: Post 13 of 13

Aug 21 • colin henderson

What Vendors Are Over-Claiming Right Now

Stacked Zero Trust: Post 12 of 13

Aug 17 • colin henderson

A Maturity Model for Stacked Zero Trust

Stacked Zero Trust: Post 11 of 13

Aug 12 • colin henderson

July 2026

Shadow AI Is the New Shadow IT, Only Faster

Stacked Zero Trust: Post 10 of 13

Jul 24 • colin henderson

Stacked Zero Trust Meets the Regulators

Stacked Zero Trust: Post 9 of 13

Jul 20 • colin henderson

Trust Scoring a Probabilistic Subject

Stacked Zero Trust: Post 8 of 13

Jul 16 • colin henderson

Identity for Agents Is Genuinely Unsolved

Stacked Zero Trust: Post 7 of 13

Jul 7 • colin henderson

Layer Three: AI as Subject

Stacked Zero Trust: Post 6 of 13

Jul 3 • colin henderson

June 2026

Layer Two: AI as Mediator

Stacked Zero Trust: Post 5 of 13

Jun 23 • colin henderson

Layer One: The Substrate Still Matters

Stacked Zero Trust: Post 4 of 13

Jun 17 • colin henderson

The Three Layers of Stacked Zero Trust

Stacked Zero Trust: Post 3 of 13

Jun 10 • colin henderson

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