They miss accounts that can reach the same outcome through delegated rights, object ownership, or inherited permissions. That creates blind spots in PAM, incident response, and compliance reporting because the real escalation path is never seen. A narrow group review gives a false sense of coverage in a directory where privilege is distributed across objects.
Why This Matters for Security Teams
Relying only on Domain Admins membership is a convenient shortcut, but it does not describe where privilege actually exists in Active Directory. Delegated rights, inherited permissions, object ownership, and group nesting can all create equivalent or higher-impact paths without ever touching the Domain Admins group. That is why a narrow review can miss the accounts most likely to enable lateral movement, persistence, or abuse of directory control.
This is not just a reporting problem. It affects PAM scoping, detection engineering, and incident response playbooks because responders may search the wrong identity set while the real escalation path remains active. Current guidance from NIST Cybersecurity Framework 2.0 points toward stronger identity visibility and privilege governance, not membership-only inventory. NHIMG’s analysis of the DeepSeek breach shows how quickly hidden access paths and exposed secrets can compound once attackers find one weak control point.
In practice, many security teams discover the gap only after a compromise, when the account that mattered most never appeared in the Domain Admins review.
How It Works in Practice
A reliable privilege review starts by mapping the directory’s effective access, not just its obvious membership lists. That means evaluating direct group membership, nested groups, delegated administration, control of privileged objects, and inherited permissions on OUs and GPOs. If an account can reset passwords, modify group membership, take ownership of objects, or alter policy on a path to domain-wide control, it belongs in the privileged population even if it is not a Domain Admin.
Security teams usually need three layers of evidence:
- Group and role discovery, including nested and shadow-admin paths.
- ACL and delegation analysis on sensitive objects such as admin groups, OUs, GPOs, and service accounts.
- Change monitoring for privilege-bearing actions, not just login activity.
This is where PAM and directory governance should intersect. PAM should protect privileged sessions and secrets, but it cannot compensate for incomplete scoping. The operational model should also align with The State of Secrets in AppSec, which highlights how fragmented secrets handling and weak remediation discipline often persist even when teams believe coverage is strong. In parallel, identity and access models should reflect the principles in NIST Cybersecurity Framework 2.0: know what is privileged, protect it proportionally, and monitor for misuse continuously.
For organisations that need formal mapping, review the effective control path, then decide whether the account should be managed like a domain admin, even if it is not labelled that way. These controls tend to break down in large, heavily delegated directories with poor documentation because inherited permissions and historic admin sprawl become too complex to model accurately.
Common Variations and Edge Cases
Tighter privilege discovery often increases operational overhead, requiring organisations to balance better visibility against change-management effort and review fatigue. That tradeoff becomes sharper in environments with multiple forests, legacy service accounts, or third-party delegation, where “who can administer what” is more complicated than a group lookup.
There is no universal standard for this yet, but current guidance suggests treating these cases as privileged until proven otherwise:
- Accounts with delegated rights to reset passwords, modify ACLs, or manage group membership.
- Users who own sensitive objects or can modify the groups that protect them.
- Service accounts and automation identities that can indirectly alter directory state.
- Stale nesting paths that still grant effective admin power long after the original assignment.
For compliance, the important question is not whether an account sits inside Domain Admins, but whether it can reach the same outcome through a different route. That distinction matters for audit evidence, especially when reporting to frameworks such as the NIST Cybersecurity Framework 2.0 or internal PAM standards. NHIMG’s DeepSeek breach coverage is a reminder that hidden privilege and exposed sensitive material often travel together, so the safer assumption is to inspect effective access, not labels.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP Non-Human Identity Top 10 address the attack and risk surface, while NIST CSF 2.0 and NIST AI RMF set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | PR.AA-01 | Identity assurance depends on knowing effective privilege, not just group labels. |
| OWASP Non-Human Identity Top 10 | NHI-04 | Hidden or overbroad privileged access is a core NHI governance failure mode. |
| NIST AI RMF | GOVERN | Governance requires clear accountability for high-impact access paths and abuse risk. |
Map all effective admin paths, then inventory and monitor them as privileged identities.
Related resources from NHI Mgmt Group
- How should teams identify privileged access in Active Directory beyond Domain Admins?
- What breaks when organisations rely on periodic scans for identity configuration?
- How should security teams prioritise NHI remediation in cloud environments?
- How should security teams govern non-human identities at scale?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on July 8, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
