Amazon S3 will no longer charge for several HTTP error codes
https://aws.amazon.com/about-aws/whats-new/2024/05/amazon-s3-no-charge-http-error-codes/
Amazon S3 will make a change so unauthorized requests that customers did not initiate are free of charge. With this change, bucket owners will never incur request or bandwidth charges for requests that return an HTTP 403 (Access Denied) error...