AWS IAM Permissions Guardrails https://aws-samples.github.io/aws-iam-permissions-guardrails/

Combines AWS Organizations Service Control Policies (SCP)

Terraform module to provision Service Control Policies (SCP) for AWS Organizations, Organizational Units, and AWS accounts

Automated deployment and testing for AWS Service Control Policies

Enables AWS Organizations Service Control Policies (SCP) with good defaults

repo for templates of AWS Service Control Policies

Detect IAM access misconfigurations in your AWS account using periodic dry runs.