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Writing IAM Policies: Grant Access to User-Specific Folders in an Amazon S3 Bucket

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November 14, 2023: We’ve updated this post to use IAM Identity Center and follow updated IAM best practices. In this post, we discuss the concept of folders in Amazon Simple Storage Service (Amazon S3) and how to use policies to restrict access to these folders. The idea is …

IAM Policies and Bucket Policies and ACLs! Oh, My! (Controlling Access to S3 Resources)

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Updated on July 6, 2023: This post has been updated to reflect the current guidance around the usage of S3 ACL and to include S3 Access Points and the Block Public Access for accounts and S3 buckets. Updated on April 27, 2023: Amazon S3 now automatically enables S3 Block …