As announced on December 13, 2022, Amazon S3 is now deploying two new default bucket security settings by automatically enabling S3 Block Public Access and disabling S3 access control lists (ACLs) for all new S3 buckets. To learn more about the change, read Heads-Up: Amazon S3 Security Changes Are Coming in April of 2023 in the AWS News Blog and Default access settings for new S3 buckets FAQ in the S3 User Guide.
Source:: Amazon AWS