Part of our Active Directory Security & Privilege Control Series
Practical insights into identifying, controlling and securing privileged access in Active Directory
Privileged access in Active Directory is often associated with a small number of well-known groups. Domain Admins, Enterprise Admins and similar roles are recognised as high risk and typically receive attention.
The greater risk, however, often lies elsewhere.
Beyond the Obvious Privilege
Most environments contain a broader set of groups and accounts with elevated permissions. These are created to support operational requirements, application dependencies and delegated administration.
- Custom administrative groups with wide-ranging permissions.
- Service accounts with persistent elevated access.
- Legacy groups no longer aligned to current roles.
- Delegated access granted at organisational unit level.
These forms of privilege are less visible, less consistently managed and more likely to be overlooked.
How Privilege Expands Over Time
Access is rarely designed in a single step. It evolves in response to operational need.
- Temporary access is granted to resolve issues and not removed.
- Users are added to groups “just in case” access is required again.
- Teams inherit responsibilities without corresponding access reviews.
- Changes are made without a consistent policy framework.
What begins as controlled access gradually becomes broad and difficult to justify.
The Impact of Unmonitored Privilege
Uncontrolled privilege introduces both security and operational risk.
- Increased attack surface for compromised accounts.
- Expanded opportunities for lateral movement.
- Reduced confidence in access reviews and audit outcomes.
- Unclear accountability for access decisions.
The issue is not only excessive privilege, but the lack of visibility and ownership.
Monitoring Alone Is Not Enough
Many organisations introduce monitoring to improve visibility. While this highlights changes, it does not prevent privilege from accumulating.
Effective control requires:
- Defined ownership of privileged groups and accounts.
- Regular, structured review processes.
- Clear policies governing how access is granted and maintained.
- Alignment between access and current business roles.
Without these controls, monitoring becomes reactive rather than preventative.
Introducing Structure to Privileged Access
Improving control over privileged access involves identifying where elevated permissions exist and introducing consistent governance around them.
Tools such as Netwrix Access Analyzer and similar solutions help organisations detect privileged access, monitor changes and provide visibility into how permissions are used across Active Directory environments.
Combined with defined processes, this enables organisations to move from unmanaged privilege to structured control.
