Configuration aggregator to all regions disabled

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Metadata

Id: ac5a0bc0-a54c-45aa-90c3-15f7703b9132

Cloud Provider: AWS

Platform: Terraform

Severity: Low

Category: Observability

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Description

This check ensures that the all_regions attribute is set to true in AWS Config configuration aggregators, either within account_aggregation_source or organization_aggregation_source blocks. If all_regions = false or specific regions are listed, AWS Config will not aggregate configuration data from all regions, potentially leaving gaps in compliance visibility and risk detection for resources deployed outside the specified regions. Without full regional aggregation, there is an increased risk that misconfigurations or security issues in unmonitored regions go undetected, undermining centralized auditing and governance across an AWS environment.

Compliant Code Examples

resource "aws_config_configuration_aggregator" "negative1" {
  name = "example"

  account_aggregation_source {
    all_regions = true

  }
}

resource "aws_config_configuration_aggregator" "negative2" {
  depends_on = [aws_iam_role_policy_attachment.organization]

  name = "example" # Required

  organization_aggregation_source {
    all_regions = true
    role_arn    = aws_iam_role.organization.arn
  }
}

Non-Compliant Code Examples

resource "aws_config_configuration_aggregator" "positive1" {
  name = "example"

  account_aggregation_source {
    account_ids = ["123456789012"]
    regions     = ["us-east-2", "us-east-1", "us-west-1", "us-west-2"]
  }
}

resource "aws_config_configuration_aggregator" "positive2" {
  depends_on = [aws_iam_role_policy_attachment.organization]

  name = "example" # Required

  organization_aggregation_source {
    all_regions = false
    role_arn    = aws_iam_role.organization.arn
  }
}