The module covers AWS Backup as one service on one provider: vaults, vault lock, notifications, the logically air-gapped vault, plans and selections at the root, and local submodules for plans, report plans, restore testing and Audit Manager frameworks. All seven examples passed terraform init, terraform validate and terraform plan against an AWS account. What stands between it and terraform-aws-modules is mostly the repository around the module: workflows, scanners, Go and native tests and tool configuration the profile does not carry, a release workflow gated on the current owner, and a cross-region example in a region the profile does not use. In the module code, the family's putin_khuylo gate, a module "disabled" call and examples/basic are missing, and several validations belong in preconditions.
Changes requested before merge.
HIGH findings are open (ladder rule 2).
HIGH