AWS Storage Blog

Tag: Amazon S3 Object Ownership

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Updating Amazon S3 object ACLs at scale with S3 Batch Operations

Update (4/27/2023): Amazon S3 now automatically enables S3 Block Public Access and disables S3 access control lists (ACLs) for all new S3 buckets in all AWS Regions. Access control lists (ACLs) are permission sets associated with data or other system resources that dictate access permissions, and they have been a staple of data security for decades. […]