AWS News Blog Amazon S3 Update – SigV2 Deprecation Period Extended & Modified Update (August 2024, JB) – The revised plan outlined below is still in effect. If you want to write IAM policies that disallow requests that were signed with SigV2, use the s3:signatureversion condition key. Every request that you make to the Amazon S3 API must be signed to ensure that it is authentic. In the early days