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1. Oct 7
   Amazon Quick adds real-time ACL checks to RAG with Bedrock Knowledge Bases

   An AWS technical post describes how Amazon Quick and Amazon Bedrock Knowledge Bases enforce access control in retrieval-augmented generation. The two-stage design first filters candidates using ACLs stored in the vector index, then verifies each candidate at query time by calling the authoritative source—such as Google Drive APIs via service-account impersonation—so only authorised passages reach the LLM. AWS says this avoids stale or mis-mapped permissions from replicated ACL syncs, and cites Mondelēz International, which it says has deployed Amazon Quick for more than 35,000 employees across four regions.

   AWS Machine Learning Blog · 🔥 0

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