Lesson 7 of 8 · 6 min read
Third-Party Model Access: Relays, Routers and Model Substitution
Third-party model access introduces recipient, routing and execution assumptions. Map the actual data and credential paths, distinguish task conformance from model identity, and evaluate attestation within its measured scope and trust model. Use an original supplier packet to make a bounded approval decision.
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Practise it as an interviewer asks it
How does code signing work, what does it guarantee, and what happens when a signing key is stolen?Why are pickle-based model files dangerous, and what does safetensors fix and not fix?Secure the model supply chain from download to deployment.How does Sigstore's keyless signing work, and what does the transparency log add?What security risks does the Model Context Protocol (MCP) introduce?What goes into an AI bill of materials, and how does it differ from an SBOM?