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Zorluk: OrtaMulti-Account Governance and Organizational Structure

An enterprise manages its multi-account environment using AWS Organizations. The organization contains a parent Organizational Unit (OU) named Workloads, which has a child OU named Production. The security team wants to ensure that: 1. No member accounts in the Production OU can delete AWS CloudTrail trails or stop logging. 2. The security administration team, operating from a delegated administrator account for CloudTrail located under a separate Security OU, can still manage organization-level trails. An administrator attaches a Service Control Policy (SCP) to the Workloads OU that denies the cloudtrail:StopLogging and cloudtrail:DeleteTrail actions. Which of the following describes the impact of this policy configuration on the accounts?

  1. It restricts all IAM identities, including local administrators and the root user, within the Production OU member accounts from modifying CloudTrail, while leaving the delegated administrator account in the Security OU unaffected by the SCP.Cevap
  2. B
    It restricts only non-administrative IAM users in the Production OU, allowing local administrators and the root user of those accounts to modify CloudTrail as long as they have full IAM permissions.
  3. C
    It automatically grants permissions to the security administration team to manage CloudTrail across the organization, overriding the need for local IAM policies in the member accounts.
  4. D
    It restricts the delegated administrator account from managing organization-level trails because SCPs attached to any OU within AWS Organizations automatically apply globally to all accounts, including the management account.

Cevap

It restricts all IAM identities, including local administrators and the root user, within the Production OU member accounts from modifying CloudTrail, while leaving the delegated administrator account in the Security OU unaffected by the SCP.
The Service Control Policy (SCP) is attached to the Workloads OU, meaning it only applies to that branch of the organizational tree (including the Production OU). Because SCPs act as guardrails, they restrict all users in those accounts, including administrators and the root user. The delegated administrator account under the Security OU is outside this branch, so it remains unaffected by the SCP's deny actions.

Adım Adım Çözüm

1
Determine the scope of the Service Control Policy (SCP) attachment.
The SCP is attached to the Workloads OU, which means it applies to all accounts within the Workloads OU and its child OUs (such as the Production OU). It does not apply to the Security OU or the management account.
SCPs are inherited down the AWS Organizations hierarchy starting from the attachment point.
2
Evaluate the effect of the SCP on identities within the target accounts.
All IAM users, roles, and the account root user in the Production OU accounts are blocked from performing cloudtrail:StopLogging and cloudtrail:DeleteTrail.
SCPs act as filters that apply to all principals in a member account, including the root user and administrative roles.
3
Analyze the impact on the delegated administrator account.
Since the delegated administrator account resides under the Security OU, which is outside the Workloads OU path, it is not subject to the Workloads OU SCP constraints.
SCPs do not apply transitively to sibling OUs or accounts outside the branch of attachment.

Anahtar Kavram

AWS Organizations SCP Inheritance and Delegated Administrator Isolation
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