I was working on a new Lambda function a couple days ago. It took me a while to deploy it successfully via CloudFormation. It was all due to some required IAM policies were missed in the deployment role. So I had to delete the stack then create again for a couple of times. When I … Continue reading When KMS key grant is created for Lambda execution role?
Simply speaking ACM (AWS Certificate Manager) uses KMS (Key Management Service) to protects the private key. What drew my attention into this topic is that a user get denied (no permission to describe kms key) when trying to request a ACM certificate in a region where KMS is explicitly denied. This diagrams explains how ACM … Continue reading How ACM protects the private key?