EVIDENCE & PROVENANCE
What Makes Security Evidence Trustworthy?
A practical way to examine the origin, scope, integrity, and freshness of evidence before relying on it.
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Trust AuthorityBlog.
Cybersecurity needs a trust layer.
Evidence. Verification. Trust. Proof.
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01 / TRUST FOUNDATIONSINTRODUCING THE TRUST AUTHORITY BLOG
Cybersecurity Has Security Controls. What It Lacks Is a Trust Layer.
What can we actually trust—and what evidence proves it?
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10 ARTICLES / OCTOBER 12, 2026PROOF SURFACE
Define the Proof Surface Before You Collect Evidence
Turn a broad trust question into a bounded set of claims, criteria, and required observations.
Read the article ↗TRUST CONTINUITY
When a Change Becomes Material to Trust
Evaluate changes against the conditions that justified the original trust decision.
Read the article ↗AUTHORITY & DECISIONS
The Anatomy of a Defensible Trust Decision
Capture the claim, criteria, evidence, authority, rationale, and limits behind a trust determination.
Read the article ↗TRUSTMARK & REGISTRY
A TrustMark Should Lead to a Verifiable Claim
Understand the scope, decision basis, and current status behind a visible trust representation.
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Trust Registry: Current State and Decision History
Keep a discoverable trust state connected to the history that explains it.
Read the article ↗TRUST CONTINUITY
Evidence Has a Time Boundary
Set revalidation rules that reflect how quickly the assessed conditions can change.
Read the article ↗AUTHORITY & DECISIONS
Use Cases to Keep Trust Reviews Accountable
Connect unresolved questions, supporting evidence, review actions, and final decisions in one case history.
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Define a Proof Surface for an AI System
Scope an AI assessment around the system, its permissions, evidence, and intended use.
Read the article ↗TRUST IN PRACTICE
Start a Trust Review with One Clear Claim
A focused exercise for connecting evidence, criteria, authority, and ongoing review.
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