RAG Security Controls You Can Actually Use
Recall practical controls for RAG-specific security risks around untrusted retrieved content.
Core objection The answer cites the source, so we are safe. Use when provenance is confused with protection. Your line A citation shows where text came from; it does not mean the text was safe to obey as an instruction. Treating retrieved content as trusted instruction creates indirect prompt-injection risk. It separates auditability from control and reminds the team that provenance helps review an answer but does not stop hostile retrieved text from steering behavior. Boundary Instruction or evidence? Most RAG security mistakes blur this boundary. Least privilege What should retrieved text never be able to do? It should never…
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