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The thinking behind AI security review.

Threat models, governance evidence, and the decisions that hold up under scrutiny. Written for security architects and the committees they report to.

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Threat modeling, governance evidence, and what AI Committees actually need — written for security architects and AI governance leads. No cadence promises.

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Governance9 min

Model-change notification — the vendor clause procurement teams forget

Vendors swap models without notice, invalidating your security review. The contractual clause and review trigger that keeps assessments current.

Technical10 min

The MCP authentication boundary, reviewed

MCP authenticates the agent client, not the end user. Without explicit per-user auth layering, user-level authorization cannot be enforced.

Reference13 min

ISO 42001 Annex A Controls Explained (Plain Language)

Each of the nine ISO 42001 Annex A control objectives explained in plain language, with the evidence that demonstrates conformance.

Technical11 min

Access control for RAG — keeping retrieval inside the line

RAG access control must operate at retrieval time, not query time — or users extract documents they would never be permitted to read directly.

Regulation12 min

High-risk AI obligations under the EU AI Act

Six obligations apply to high-risk AI: risk management, documentation, data governance, transparency, oversight, accuracy. Each mapped to evidence.

Technical11 min

Tool-use permissions for agentic AI — least privilege for agents

Most agentic AI tool manifests are over-provisioned. Audit the manifest for each deployment scope and remove capabilities the task does not require.

Technical11 min

Improper output handling — the LLM risk teams underrate

Teams harden LLM inputs and ignore outputs. Improper output handling turns prompt injection into code execution, data exfiltration, or stored attacks.

Foundations9 min

When to run an AI security review — the four trigger points

Four trigger points that should initiate an AI security review: initial deployment, model change, scope expansion, incident.

Reference10 min

Assessing the AI feature inside SaaS you already bought

Vendors are adding AI to SaaS you already trust. Those features introduce risks the original assessment missed. The supplemental review defined.

Governance10 min

AI risk acceptance — who actually signs

Risk acceptance attributed to a committee means no one is accountable. Who should sign for AI systems and what that signature requires.

Reference11 min

ISO 42001 vs ISO 27001 — what is new for AI

Already hold ISO 27001? Here's what ISO 42001 adds for AI -- new requirements vs. controls you can extend from your existing ISMS.

Technical11 min

Tool poisoning in MCP servers

MCP tool poisoning uses malicious tool descriptions to manipulate models into unintended invocations or data disclosure. Descriptions are untrusted.