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LatestMarch 17, 20257 min read

Why Metadata Filters Aren't Enough for RAG Security

Metadata filters are the most common approach to RAG access control. They're also fundamentally insufficient. Here's why app-level filtering can't replace a dedicated permission layer.

Security Architecture Comparison

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March 14, 20258 min readGateco Team

Authorization Approaches for RAG Systems: A Comparison

Four approaches to RAG authorization, compared: no auth, metadata filters, app-layer RBAC, and a dedicated permission layer. Pros, cons, and when each makes sense.

Security Architecture Comparison

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