We are thrilled to announce that you are now able to use customer-managed keys (CMKs) with AWS Key Management Service (KMS) to encrypt EMR Serverless application logs when stored in managed storage and Amazon S3 buckets. Amazon EMR Serverless is a serverless choice in Amazon EMR that makes it effortless for data scientists and data engineers to operate open-source big data analytics frameworks without having to configure, manage, or scale clusters or servers.