Hi Alden Quimby, thanks for your message. If you have an organization that wasn't created as part of Control Tower, you can follow the Organization Based Aggregation example in registry.terraform.io/providers/hashicorp/aws/lat… to set it up. The AWS blog post aws.amazon.com/blogs/mt/aws-organizations-aws-con… also provides more information on this topic. Hope this helps.
Alden Quimby
Anthony Wat thank you for this series! After completing the Security Hub steps, I'm running into issues because AWS Config is not setup. Do you have any resources on how to configure that with terraform for all regions and all accounts under an organization?