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Documentation Index

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About AWS Organizations

AWS Organizations evidence includes accounts, OUs, roots, SCPs, and related policies. The role must live in the management account - member accounts cannot enumerate the full org graph via these APIs.

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How it works

Attach AWSOrganizationsReadOnlyAccess, or narrow to organizations:Describe* / organizations:List* via inline JSON.
DetailValue
CategoryCloud governance
AuthenticationCross-account IAM role (management account)

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Prerequisites

  • IAM admin rights in the management account (not a workload member account).
  • Connector principal + external ID.

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Connect AWS Organizations to Iru

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Copy the trust policy from Iru

1

Open Sources

In Iru Compliance, on the left navigation bar, expand Compliance and select Sources.
Left navigation: Compliance expanded, Sources selected
2

Turn on AWS Organizations

Find AWS Organizations (use Category or Search by name or description). On that card, turn on the toggle. Leave the wizard tab open.
3

Copy the trust policy JSON

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Principal": {
        "AWS": "arn:aws:iam::753695775620:role/IruConnect"
      },
      "Condition": {
        "StringEquals": {
          "sts:ExternalId": "YOUR_EXTERNAL_ID"
        }
      },
      "Action": "sts:AssumeRole"
    }
  ]
}

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Create the IAM role in the management account

1

Start Create role

In the management account, open IAM → Roles → Create role.
2

Configure trusted entity

Choose AWS account → Another AWS account. Enter 753695775620 (or the ID Iru shows). Enable Require external ID and paste the external ID from Iru.
3

Attach Organizations read permissions

Attach AWSOrganizationsReadOnlyAccess, or attach this inline policy:
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "organizations:Describe*",
        "organizations:List*"
      ],
      "Resource": "*"
    }
  ]
}
4

Name the role and copy the ARN

Name the role, create it, and copy the Role ARN.

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Submit the role ARN in Iru

1

Paste the IAM Role ARN

Paste the Role ARN into the connector where the wizard prompts for it.
2

Confirm the source is Active

Submit until AWS Organizations reads Active.

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Troubleshooting

Check pop-up blocker settings for the Iru site and try again.
Confirm role creation happened in the management account.
External ID mismatch.

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Considerations

Org APIs evolve: wildcard **Describe* / List***…

Org APIs evolve - wildcard Describe* / List* pairs reduce churn when AWS ships new read operations.

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See also