🔶 Use IAM Access Analyzer policy generation to grant fine-grained permissions for your AWS CloudFormation service roles

IAM Access Analyzer policy generation creates fine-grained policies based on your AWS CloudTrail access activity—for example, the actions you use with ECS, Lambda and S3. AWS has expanded policy generation capabilities to support the identification of actions used from over 140 services, including CloudFormation, DynamoDB, and SQS.

https://aws.amazon.com/ru/blogs/security/use-iam-access-analyzer-policy-generation-to-grant-fine-grained-permissions-for-your-aws-cloudformation-service-roles