Restrict access to sensitive documents in your Amazon Quick knowledge bases for Amazon S3

Amazon Quick now supports document-level access control lists (ACLs) for knowledge bases stored in Amazon S3. This feature allows users to restrict access to sensitive documents within chat and automated workflows. It enhances security by enforcing fine-grained permissions on individual documents.

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PublishedFriday, May 15, 2026 at 5:41 PMMay 15, 05:41 PM

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In this post, we walk through how to configure document-level ACLs for your S3 knowledge base in Amazon Quick. You will learn how to set up and verify an ACL configuration that enforces document-level permissions across chat and automated workflows.

Organizations that must restrict access to sensitive documents increasingly rely on AI-driven search and chat to help employees find answers across large repositories. Coarse-grained permissions that control access at the knowledge base level work well for many teams, but sensitive documents require more granular control to restrict specific documents or folders to authorized teams, individuals, or systems.

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Restrict access to sensitive documents in your Amazon Quick knowledge bases for Amazon S3

Original article excerpt