What Secure Enterprise RAG Requires to Enforce User-Level Access Control Most RAG security failures do not start with the model. They start one step earlier, where retrieval pulls data it never should have seen. If your secure RAG pipeline cannot prove that access checks happen before retrieval results are assembled, it is not enterprise RAG in any meaningful sense. The minimum control set is straightforward: propagate user and tenant identity into retrieval, index chunks with metadata li...