---
title: "Discussion on \"The Retriever Is Your Security Perimeter: Designing a Multi Tenant RAG Knowledge Base\" | Hashnode"
description: "Discussion on \"The Retriever Is Your Security Perimeter: Designing a Multi Tenant RAG Knowledge Base\". The moment an LLM starts narrating retrieval results, your retriever becomes your access control layer. Filter permissions anywhere above that and you have built a very sophisticated data leak with excellent citations."
url: "https://hashnode.com/posts/multi-tenant-rag-security-perimeter/6a3c99baa4ee80eac94c56d0"
---

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# [The Retriever Is Your Security Perimeter: Designing a Multi Tenant RAG Knowledge Base](https://pragmaticstack.in/multi-tenant-rag-security-perimeter?utm_source=hashnode&utm_medium=feed)

The moment an LLM starts narrating retrieval results, your retriever becomes your access control layer. Filter permissions anywhere above that and you have built a very sophisticated data leak with excellent citations.

Jun 25 · 18 min read · pragmaticstack.in  
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## Written by

[Alen Joy](https://hashnode.com/@alenj)

@alenj · Bangalore, India

  
[View profile](https://hashnode.com/@alenj)

I help enterprises ship AI that doesn’t embarrass them in production.

AI Architect. I design the boring control plane plumbing that keeps your impressive demos from quietly setting themselves on fire in production.

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