TL;DR: Active Directory still concentrates the most powerful privileged access in many organisations, and delegated or custom permissions can be as impactful as Domain Admin membership, according to Paramount Defenses. The real governance problem is effective permissions, not just group membership, because one unidentified account can expose the domain.
At a glance
What this is: This analysis says Active Directory still concentrates the most sensitive privileged access in most organisations, and that delegated or custom permissions can be just as powerful as default admin groups.
Why it matters: IAM, PAM, and NHI teams need to assess effective permissions, not only named admin groups, because delegated access can create hidden takeover paths across domains and connected assets.
By the numbers:
- 85% of all organizations worldwide place the most powerful privileged access in Active Directory.
Context
Active Directory privileged access is the control plane that decides who can change identities, policies, and trust boundaries across many Windows environments. The article's core claim is that default admin groups capture only part of the risk, because delegated permissions and custom access can be equally powerful.
For identity programmes, the problem is not just who sits in a named privileged group. It is who can change group membership, reset passwords, modify ACLs, or manage high-value objects through effective permissions.
That makes privileged access review a permissions problem as much as a role problem, which is why organisations that stop at Domain Admins are likely undercounting true administrative power.
Key questions
Q: What breaks when Active Directory reviews stop at Domain Admin membership?
A: Teams miss delegated and custom permissions that can change passwords, group membership, ACLs, trusts, and policy objects. In practice, that means the organisation undercounts who can take over critical identities or alter domain-wide controls. The result is false confidence in privileged access coverage and a review process that cannot see the real control surface.
Q: Why do delegated Active Directory rights create more risk than they appear to on paper?
A: Because small-looking rights can translate into broad control once inheritance and object relationships are resolved. Reset password, group membership edits and permission changes on users, groups or OUs can all become indirect paths to privileged access. In AD, the real risk is the scope of the permission, not the label on the role.
Q: How do security teams identify privileged access hidden in ACLs?
A: Start by tracing who can perform domain-admin-equivalent tasks on high-value objects such as users, groups, computers, OUs, policies, and trusts. Then compare those tasks with the accounts that can change ownership, permissions, or nested group membership. That approach exposes privileged access that standard group enumeration misses.
Q: What should organisations do when delegated administrators can reset privileged passwords?
A: They should treat those accounts as privileged and include them in PAM, certification, and monitoring scope. A delegated admin that can reset passwords, change memberships, or modify ACLs can control access to everything the target account can reach. That access must be governed as a high-risk privilege, not an operational convenience.
Technical breakdown
Effective permissions define real privileged access
Active Directory access is enforced through ACLs on objects, and the permissions that matter are the cumulative effective permissions a subject can exercise. That means a user does not need to belong to a default admin group to become highly privileged. If delegated rights allow password resets, ACL changes, group membership changes, or ownership changes, the account can act with domain-level impact. This is why object-level control analysis is more accurate than reviewing only group membership. In practice, the privileged access boundary sits wherever effective permissions can alter identities, policies, or trust relationships.
Practical implication: review effective permissions on high-value AD objects, not just privileged group membership.
Delegated administrators can equal Domain Admins
Delegation in Active Directory is meant to distribute routine administration, but delegation can cover user accounts, groups, OUs, computer accounts, and security permissions. Once an admin can manage a high-value OU or reset privileged passwords, the access scope can become equivalent to full administrative control. The article treats this as an identity governance blind spot, because delegated power is often spread across ACLs and therefore harder to inventory than default groups. In security terms, the privileged surface is the set of tasks an account can perform, not the title attached to it.
Domain admin equivalents include security control changes
The article identifies admin-equivalent tasks such as modifying the Default Domain Policy, managing domain controller objects, linking GPOs at the domain root, and changing trust relationships. These are not peripheral tasks. They directly influence authentication, policy enforcement, replication, and domain-wide control. When an account can perform those actions, it can often bypass conventional separation between administrative roles. The important technical point is that privilege in Active Directory is transitive: control over one object or policy path can cascade into broader domain authority.
Practical implication: classify policy, trust, and replication permissions as privileged access, even when they are not in admin groups.
Threat narrative
Attacker objective: The objective is to obtain domain-wide control by abusing one privileged account or one set of delegated permissions.
- Entry begins when an attacker or insider obtains an account with delegated or custom Active Directory permissions rather than a default admin membership.
- Credential or permission abuse follows when that account can reset privileged passwords, alter ACLs, or change group membership on high-value objects.
- Escalation occurs as the attacker uses domain-admin-equivalent tasks such as modifying policies, trusts, or domain controller objects to widen control.
- Impact is full domain compromise, because the attacker can reach identities, systems, and policy enforcement paths across the environment.
Breaches seen in the wild
- Azure Key Vault Contributor escalation 2024: Datadog found Azure Key Vault Contributor could add itself to access policies and read every secret, key and certificate in a vault.
- Uber breach 2022: A contractor's stolen password and MFA fatigue gave a Lapsus$-linked attacker Uber's internal tools; Uber rotated keys to many services.
Read and download The State of NHI & AI Agent Breach Report 2026, covering 200+ breaches impacting Non-Human Identities including AI Agents.
NHI Mgmt Group analysis
Effective permissions are the real privileged boundary in Active Directory: group membership is only a shortcut view. The article is right to centre effective permissions because ACL-driven delegation can grant equal or greater control than default admin roles. That means privileged access governance fails when it treats labels as authoritative and ignores what the account can actually do.
Delegated administration is not a lower-risk privilege class: when an account can reset privileged passwords, alter group membership, or change ownership on critical objects, it can become functionally equivalent to Domain Admin. The distinction between named admin groups and delegated admins is operationally useful, but it is not a security boundary. Practitioners should treat delegated rights as first-class privileged access.
Domain Admins are only the visible layer of the privilege stack: policies, trusts, replication paths, and high-value OUs create a larger control surface than most review processes capture. That hidden surface is where many organisations undercount exposure. The implication is that privileged access programmes need object- and task-level analysis, not directory snapshots.
Effective-permission blindness creates an identity blast radius problem: one unidentified account with the right ACLs can reach far beyond its apparent role. The article's central warning is that an incomplete inventory of privileged actors leaves the organisation unable to prove who can take over critical identities and policies. Practitioners should assume hidden takeover paths exist until effective permissions prove otherwise.
Privileged access review in Active Directory is a governance discipline, not a group audit: the control question is who can perform domain-admin-equivalent tasks, not who appears in default lists. That shifts the programme from static membership checks to continuous privilege mapping across objects, tasks, and delegation paths. Identity teams should align certification and PAM scope to the actual control surface.
From our research library:
- 97% of NHIs carry excessive privileges, increasing unauthorised access and broadening the attack surface, according to the Ultimate Guide to NHIs.
- Read next: Active Directory and Entra ID Hardening Guide
What this signals
Identity blast radius in Active Directory is usually larger than default admin groups suggest: the hidden risk is not a single role but the chain of delegated rights that can rewrite privilege relationships across the directory. Security teams should expect effective permissions to expose more takeover paths than group review alone.
Privileged access governance has to move from enumeration to authority analysis: if an account can change memberships, ownership, ACLs, or trust relationships, it belongs in the privileged estate regardless of how ordinary it looks. That is the control boundary practitioners need to govern.
The access model for Active Directory remains vulnerable wherever organisations equate privilege with visible group membership. The operational fix is to validate who can actually change identity and policy state, then feed that reality into PAM and certification cycles.
For practitioners
- Map effective permissions on critical AD objects Inventory who can modify domain root objects, domain controller objects, high-value OUs, security groups, and privileged passwords, then compare those rights with default admin memberships.
- Classify domain-admin-equivalent tasks as privileged Treat actions such as changing group membership, resetting privileged passwords, linking GPOs at the domain root, and altering trust relationships as privileged access requiring review.
- Review delegated administrators separately from admins Create a distinct review path for delegated admins who can manage user accounts, groups, computers, or OUs, because their scope can equal or exceed named admin roles.
- Validate ACL changes against ownership and delegation paths Track who can change object ownership and ACLs, because those rights can silently expand privilege without changing group membership.
Key takeaways
- Active Directory privileged access is broader than default admin group membership, because delegated permissions can be equally powerful.
- The article says 85% of organisations concentrate their most powerful privileged access in Active Directory, which makes hidden ACL-driven rights a major exposure point.
- The control that matters is effective permissions analysis, because it reveals who can actually reset, reassign, or escalate critical identity authority.
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 and MITRE ATT&CK address the attack and risk surface, while NIST SP 800-53 Rev 5, CIS Controls v8 and NIST CSF 2.0 set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-05 — Overprivileged NHI | Delegated AD accounts can be functionally equivalent to Domain Admins. |
| NHI-10 — Human Use of NHI | The article exposes how ordinary accounts can wield machine-scale privileged access through AD delegation. | |
| Recommendation — Review delegated Active Directory rights as overprivileged identities, not just named admin accounts. Identify non-obvious privileged access paths created when ordinary users can operate administrative controls. | ||
| NIST SP 800-53 Rev 5 | AC-6 — Least Privilege | Effective permissions analysis is needed to enforce least privilege across AD delegation. |
| Recommendation — Apply least-privilege reviews to effective permissions, not just role names or group membership. | ||
| CIS Controls v8 | CIS-5 — Account Management | The article centres on identifying and governing powerful accounts and delegated admin scope. |
| Recommendation — Inventory and govern all accounts that can administer identities, groups, and domain policies. | ||
| NIST CSF 2.0 | PR.AA-05 — Access Permissions, Entitlements and Authorizations | The key issue is who is authorised through ACLs and delegated permissions. |
| Recommendation — Map entitlement pathways to actual authorisation, including ACL-based delegation and ownership changes. | ||
| MITRE ATT&CK | TA0004;TA0006;TA0008 — Privilege Escalation; Credential Access; Lateral Movement | The article's threat pattern is privilege abuse leading to wider domain compromise. |
| Recommendation — Map AD takeover paths to privilege escalation, credential access, and lateral movement tactics. | ||
Key terms
- Effective Permissions: Effective permissions are the access an identity can actually use after role inheritance, scope, and policy are applied. In Azure AI environments, they often matter more than the assigned role name because inherited rights can widen access to data, logs, and secret stores.
- Delegated Administrator: A delegated administrator is an AWS account given authority to manage a specific organization-level service on behalf of the organisation. This reduces dependence on the management account and lets security or platform teams operate services with narrower access and clearer separation of duties.
- Domain Admin Equivalent Access: Domain Admin equivalent access is any set of permissions that can produce the same practical blast radius as a Domain Admin account. That includes rights to reset privileged passwords, modify security groups, alter trust relationships, manage GPOs, or change ACLs on high-value objects.
- Privileged Access: Privileged access is any elevated entitlement that can change systems, data, or security settings. When privilege is excessive or poorly scoped, a single compromised identity can create outsized blast radius across environments.
Deepen your knowledge
NHI governance, agentic AI identity, and machine identity lifecycle are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are building or maturing an IAM programme, it is worth exploring.
Published by the NHIMG editorial team on July 8, 2026.
Updated on October 11, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org