You can assume an IAM (Identity and Access Management) role in Amazon S3 resources to generate temporary security credentials. The temporary security credentials give you limited access to Amazon resources for a certain period. You can use the IAM role in Amazon Redshift V2 Connector and Amazon S3 V2 Connector to access Amazon S3 resources. This article describes how an IAM user can use an assume role to temporarily gain access to the Amazon S3 resources.