- What is privileged user monitoring?
- Why privileged user accounts are the hardest to track
- What privileged user monitoring should cover
- How to build a privileged user monitoring program
- Compliance requirements for privileged user monitoring
- Common challenges and how to overcome them
- How Netwrix helps with privileged user monitoring
- Turn administrative trust into a record that can be reviewed
Operational work depends on elevated access, and organizations typically grant that access on the basis of trust. Privileged user monitoring turns that trust into evidence.
An authorization record proves only that the system allowed an action. Monitoring creates a reviewable record of which elevated rights were used, by whom, and at what time. That gives auditors and investigators a way to verify privileged activity without interfering with day-to-day administration.
Standing privileged access is still common across most environments. According to the survey behind the Netwrix 2026 Data and Identity Security Report, 67% of organizations grant persistent privileged access to at least some roles.
Those privileges remain active even between the tasks that originally justified them. Privileged user monitoring exists to close that gap.
A member of Domain Admins is authorized to act across the relevant Active Directory control boundary. From the system’s perspective, that access looks the same whether the credentials are used by the legitimate infrastructure administrator or by an attacker who obtained them through phishing.
A successful authorization decision confirms permission and nothing else. Legitimate intent and valid operational purpose require separate evidence.
Monitoring provides that evidence and strengthens access governance without slowing down the administrative work the organization depends on.
What is privileged user monitoring?
Privileged user monitoring continuously records and analyzes how trusted accounts use elevated permissions. The goal is to make every privileged action traceable and available for later review.
Under the NIST definition, a privileged user is someone authorized and, therefore, trusted to perform security-relevant functions that standard users cannot perform.
The scope is not limited to human administrators. Service accounts, managed identities, and automation principals also belong in this category whenever they hold elevated rights.
Monitoring also has to extend beyond the on-premises directory. Administrative privileges may exist in Active Directory, cloud identity platforms, SaaS administration consoles, or databases. Any account with that level of authority should be included in the monitored population.
Why privileged user accounts are the hardest to track
Authorization controls answer a narrow question: whether a principal has permission to perform a particular action. For a privileged account acting within its authorized boundary, the answer will usually be yes.
The problem is that four technical characteristics can make that apparently simple approval conceal far more than it reveals.
Valid credentials make legitimate administration and attacks look the same
Once a directory has approved the required permissions, the rest of the activity looks legitimate to the system. The sign-in succeeds, group membership is accepted, and access to the resource is granted because the credentials themselves are valid.
The same sequence appears whether those credentials belong to the legitimate administrator or have been stolen through phishing.
MITRE technique T1078.002 addresses this exact scenario: valid domain account credentials being abused for initial access, persistence, privilege escalation, and defense evasion.
According to the survey behind the Netwrix 2026 Data and Identity Security Report, 73.78% of organizations are not fully confident that their Active Directory environments are free from misconfigurations that could support privilege escalation.
Each of those misconfigurations creates another potential route into a position the environment already trusts.
Formal group queries overlook nested members
The Active Directory memberOf attribute reports only direct group relationships and does not reflect privileges inherited through nested groups.
As a result, querying Domain Admins or another privileged group directly will not reveal users whose privileges come through group nesting.
An access review limited to direct membership therefore starts with an incomplete population and certifies the wrong set of accounts.
ACLs create shadow administrators outside privileged groups
Access control lists can assign sensitive rights to shadow administrators: accounts that do not belong to any privileged directory group at all.
A particularly important example is an account with permission to modify a group’s membership. That account can add itself to the group.
This behavior is part of the system’s design. It is not a configurable feature that can simply be disabled.
GPO and local administrator rights create no membership event to detect
Permissions on Group Policy Objects (GPOs), including GenericWrite and WriteDacl, can grant administrative power even when no privileged group membership exists to review. The same applies to local administrator rights recorded in a machine’s local Security Accounts Manager (SAM).
Service and scheduled-task logons introduce another risk. Their account passwords may be stored on disk by the Local Security Authority (LSA) as reusable secrets.
That means a compromise of the host can also become a compromise of the stored credentials.
None of these scenarios generate the 4728, 4732, or 4756 group-membership change events that entitlement reports typically depend on.
What privileged user monitoring should cover
Privileged user monitoring justifies its cost by capturing the changes that actually affect risk.
An ideal alert should have a high probability of indicating unauthorized activity while producing a low false-positive rate.
As noted in CIS Control 8, audit records can sometimes be the only evidence left behind after a successful attack.
The obvious temptation is to collect everything. In practice, that often creates a queue of alerts that nobody has time to review.
| Signal | Examples | Why it matters |
| Entitlement changes | Admin group additions, Microsoft Entra ID role assignments, organizational unit (OU) delegation, ACL changes, GPO edits | Each one grants effective authorization or establishes persistence, covered by MITRE T1484 |
| Authentication behavior | Logon type shifts, unfamiliar source hosts, elevated-token logons, failed elevation attempts, off-hours access | Valid-credential abuse carries no malicious signature and surfaces as deviation from an account’s baseline |
| Access to sensitive data | Non-owner mailbox access, reads of regulated stores, bulk export | Content access with no matching task maps to collection techniques such as T1114 and T1213 |
| Security control changes | Audit policy edits, log clearing, agent disablement, Conditional Access changes | Tampering with controls usually signals a larger operation already in progress |
| Account lifecycle events | Creation, re-enablement of disabled accounts, dormancy | Adversaries use account creation to hold access across remediation |
Access to sensitive data by someone other than the owner, including mailbox reads, maps to collection techniques such as MITRE T1114 and T1213. In Microsoft 365, that activity appears through the MailItemsAccessed audit action.
Tamper protection also exposes attempts to disable an endpoint agent.
Dormant accounts need a clearly defined threshold. CISA’s stale-account countermeasure leaves that threshold up to each organization, although its example identifies a password age of 180 days.
Vendor accounts require the same level of discipline as accounts belonging to employees who leave the organization.
CISA’s Cross-Sector Cybersecurity Performance Goals 2.0, released in December 2025, combines a goal addressing managed service provider risk with a requirement to disable every account and access path on the day a person departs.
Privileged user monitoring vs. privileged session management vs. user activity monitoring
These three controls are often confused because all of them deal with administrator behavior. However, each focuses on a different unit of activity and answers a different question.
| Dimension | Privileged user monitoring | Privileged session management | User activity monitoring |
| Scope | The privileged identity and its entitlements | The individual privileged session | Every workforce user |
| Time horizon | Continuous, with baselines built over weeks to months | Duration of a single connection | |
| Question answered | Is this identity’s behavior and entitlement set appropriate | What happened during this session | Could this person’s activity indicate an insider threat |
| Primary artifact | Behavioral baseline, risk score, anomaly alerts, entitlement reports | Session recording, keystroke log, forensic index | Screen and keystroke content across every employee |
| Content capture | Optional | Standard | Standard |
Privileged session management controls the connection itself and keeps credentials isolated from the end user. Its most detailed records are therefore session recordings and keystroke logs.
Those logs capture everything entered during the session, including passwords and personal data. That makes strict retention periods and access controls essential. Investigators also need a parsed command log alongside the recordings, because reviewing video footage to find a single action does not scale.
User activity monitoring applies the same type of content capture across the entire workforce to detect insider threats, in line with NIST’s definition of UAM.
The UK ICO’s guidance on worker monitoring treats screen and keystroke capture at that scale as sufficiently broad processing to require a data protection impact assessment.
Privileged user monitoring takes a narrower approach. By default, it does not capture content and instead remains focused on authorization, maintaining an inventory of administrators and auditing which elevated rights each identity used.
That narrower focus makes it feasible to monitor every privileged account continuously instead of limiting oversight to selected sessions. In practice, most programs combine at least two of the three controls.
How to build a privileged user monitoring program
A mature program usually develops in four stages: discovery, reduction, baselining and detection, and evidence protection.
Each stage narrows the scope and complexity of the one that follows. Starting with detection tooling instead usually means the privileged-account inventory has to be rebuilt later anyway.
1. Discover the full privileged population
The inventory should include every account and every right that grants administrative authority, not only formal group membership:
- Domain and local administrators, with transitive group membership resolved so nested members are included.
- Rights granted through ACLs and GPO edit permissions on directory objects.
- The local Administrators group on every endpoint.
- Service account types, including group Managed Service Accounts (gMSAs), standalone Managed Service Accounts (sMSAs), computer accounts, and user accounts used to run services.
- Break-glass emergency accounts, along with vendor and contractor access.
- Privileged cloud and SaaS roles, ranging from Entra ID Global Administrator and Privileged Role Administrator to equivalent tenant-administrator roles in other identity providers and business applications.
Every entry should have a named owner and a documented purpose. Without that information, the inventory becomes a list that no one acts on.
2. Reduce it before monitoring it
Standing privileged accounts that do not need continuous monitoring should be removed before the next stage is built.
Most environments contain more elevated access than operational work actually requires. The same Netwrix survey found that 68% of organizations do not enforce strict least privilege.
At a minimum, accounts should move toward just-in-time elevation and temporary permissions that expire automatically.
A stronger model is zero standing privilege, where no account retains elevated rights between approved sessions and ephemeral accounts exist only for the duration of the task.
3. Baseline normal administration by role
Authentication attempts, access requests, privilege changes, and directory modifications should be sent to an identity threat detection and response platform.
Instead of evaluating one connection at a time, the platform can build a behavioral profile for each identity and its peer group.
Behavioral analytics and signal correlation can detect patterns that single-event rules miss. Microsoft Defender for Identity uses the same underlying principle in its own detections.
Signals will usually be weaker during the first few weeks for a new administrator or a newly provisioned service account. Baseline quality improves as more activity is collected.
4. Track entitlement drift between reviews
Current entitlements should be compared with the last certified state between review cycles, not only during formal reviews.
Periodic certifications capture only a single point in time. A new grant added one week after a review campaign closes may remain unchecked until the next cycle.
Any entitlement added after the last certification should therefore be flagged. This allows the annual review to confirm what monitoring has already detected instead of acting as the only control.
5. Alert on change, correlate on pattern
Immediate alerts should be reserved for the small number of events that are rarely legitimate on their own.
Everything else should be correlated.
Most attack activity becomes visible only when several weaker signals appear in sequence. One example is an unusual logon followed by a privilege change and then access to a system the account has never used before.
Single-event rules and behavioral correlation should therefore be part of the same detection design rather than treated as competing approaches.
6. Protect the evidence from the administrators it describes
The safest assumption is that monitored administrators can alter the records of their own activity unless the architecture prevents it.
Membership in Domain Admins also places the account in the local Administrators group on every domain-joined machine by default. That gives it permission to view the Security log and to erase the log entirely.
NIST SP 800-53 AU-9(4) is aimed at this exact risk. When privileged users are also the subjects of the audit, they may be able to weaken the reliability of the evidence by disabling logging or altering audit records.
Restricting log access with ACLs is not enough to stop a domain administrator with sufficient privileges.
With SeTakeOwnershipPrivilege, that administrator can take ownership of the object and then modify its discretionary access control list (DACL).
Architectural separation is therefore more reliable than ACL restrictions alone.
AU-9(2) requires separate audit storage so that compromising the monitored system does not also compromise its audit record.
- Forward security events in near real time to a collector managed separately from the systems being monitored. Windows Event Forwarding supports this model, but it does not send a notification or leave a gap indicator when events are overwritten in the log of a disconnected client.
- Send group-membership addition events 4728, 4732, and 4756, along with 5136 changes affecting AdminSDHolder, to the same collector. This prevents a re-grant from being silently removed from the record between reviews.
- Limit audit-log management to a defined subset of privileged users who are separate from the administrators being audited, as required by AU-9(4). Reviewers should receive read-only access under AU-9(6).
- Alert on tampering itself. Event 4719 captures modifications to audit policy, and Windows records it even when audit policy settings would otherwise prevent logging. Therefore, it should be classified as a high-criticality event. A preceding 4688 process-creation event can provide additional context by showing execution of wevtutil or auditpol, as long as command-line logging is enabled.
Compliance requirements for privileged user monitoring
Auditors expect organizations to demonstrate who held specific rights, when those rights were active, and what actions were performed with them.
Security and compliance frameworks address this through requirements for periodic recertification and audit logging. Meeting the required review schedule is usually the simpler part.
The harder problem is reconstruction. If a review cannot be reproduced six months later, it can fail an audit even if the review itself was completed on schedule.
The requirements discussed below are based on the versions effective as of September 2026. They include PCI DSS v4.0.1, NIST SP 800-53 Rev. 5, the HIPAA Security Rule in 45 CFR Part 164 Subpart C, and ISO/IEC 27001:2022.
The same landscape also includes two European regulatory instruments: the implementing regulation associated with the Network and Information Systems Directive 2 (NIS2) and the delegated regulation under the Digital Operational Resilience Act (DORA).
| Framework | Requirement for privileged accountability |
| PCI DSS v4.0.1 | Requirement 10.2.1.2 requires logging of all administrative actions. Requirement 7.2.4 requires six-month reviews of user accounts and privileges, including third-party and vendor accounts. |
| NIST SP 800-53 Rev 5 | AC-6(9) requires logging the execution of privileged functions. |
| HIPAA Security Rule | 45 CFR 164.312(b) requires records of system activity for systems holding electronic protected health information (ePHI). The rule prescribes no audit log retention period. |
| SOX and the Public Company Accounting Oversight Board (PCAOB) | No numbered control ID covers privileged access review. AS 1105 requires auditors to test the accuracy and completeness of company-produced information. |
| ISO/IEC 27001:2022 | Annex A 5.18 and 8.2 require restricting privileged access rights and reviewing them at planned intervals and after changes. Intervals follow the organization’s risk assessment. |
| NIS2 (Implementing Regulation 2024/2690) | Annex point 11.3 requires reviews of privileged access rights at planned intervals, with the results documented. |
| DORA (Delegated Regulation 2024/1774) | Article 21 requires access reviews at least every six months for systems supporting critical or important functions and at least annually for all others. |
HHS proposed a major overhaul of the HIPAA Security Rule in January 2025, but the changes remain only a proposal. The regulatory agenda currently points to July 2027 for final action.
Under the proposed version, the audit controls standard would move from 164.312(b) to 164.312(d)(1) and would apply to every relevant system, not only systems that store ePHI.
Until HHS finalizes the rule, 164.312(b) remains the applicable citation.
Audit readiness reaches its practical limit when an organization needs to reconstruct a privileged action from several months earlier. Whether that is possible depends on how long the supporting evidence has been retained.
Microsoft Entra ID keeps audit and sign-in logs for 7 days on the Free tier and 30 days on P1 and P2 under its native retention periods.
By comparison, PCI DSS Requirement 10.5.1 requires twelve months of audit log history, with the most recent three months immediately available for analysis.
Native retention alone is therefore insufficient. In practice, the collector that receives the forwarded copy of those logs usually becomes the system of record.
Common challenges and how to overcome them
The challenges below are mainly cultural and operational. Replacing one tool with another rarely solves them on its own.
- Administrators may interpret monitoring as institutional distrust, and some may try to disable it: Oversight should remain outside the administered domain by forwarding logs to a system that the monitored administrators cannot access. The purpose of the controls should also be connected to the threats that target privileged credentials before monitoring is introduced. Time-limited rights assigned to individual administrators preserve accountability without automatically treating administrators as suspects.
- Legitimate privileged activity can generate enough volume to bury meaningful alerts: Detection should focus on deviations from established baselines rather than creating an alert for every event. Detection engineering should also align with tactics, techniques, and procedures (TTPs). This allows known administrative activity, such as an approved update script, to be suppressed instead of generating unnecessary escalation.
- Shared, break-glass, and vendor accounts make individual attribution difficult, while emergency accounts may intentionally lack a permanent owner: Dedicated administrator accounts should be used in line with CIS Control 5, while service accounts should be reviewed at least quarterly. Every service account should have a named owner. Every use of a break-glass account should generate a severity 0 alert.
How Netwrix helps with privileged user monitoring
Netwrix divides these responsibilities across four products, with each product supporting a different stage of the process.
Netwrix Access Analyzer handles discovery, while Netwrix Privilege Secure supports privilege reduction.
Netwrix Auditor and Netwrix Threat Manager then address the two sides of the evidence problem: maintaining a historical record of environmental changes and detecting behavior that departs from an identity’s established pattern.
Discover effective privilege beyond group membership
Netwrix Access Analyzer automatically determines effective permissions across Active Directory domains, OUs, groups, users, and computers.
Its effective access report combines nested group membership with ACL-assigned rights to show the permissions an account effectively holds. The same process also identifies stale trustee accounts.
That inventory then supports privilege reduction, because identifying more privileged accounts without reducing unnecessary access only expands the population that must be monitored.
Replace standing privileged access with task-scoped access
Netwrix Privilege Secure is a privileged access management product designed to replace standing administrative privileges with access limited to a specific task.
It creates an Activity Token for the task. This is a unique account with a limited lifetime and a single defined purpose.
Once the task is complete, the temporary account is deleted automatically, so no persistent elevated credentials remain active between sessions.
At Eastern Carver County Schools, persistent privileged accounts were eliminated from the administration of network switches, VMware, and security camera systems used across an environment serving 9,300 students and more than 2,000 staff.
In their place, the organization introduced temporary access that expires when the assigned task ends. The deployment was completed within a matter of days.
Record entitlement and configuration changes with before-and-after values
Recertification and retrospective audit work both depend on being able to reconstruct how the environment was configured at an earlier point.
Netwrix Auditor helps preserve that historical record by monitoring Active Directory, Group Policy, Entra ID, Exchange, file servers, and SQL Server for auditing and compliance reporting.
For each recorded change, it captures who made it, what was modified, when it happened, and where the action originated. The change record also preserves the values that existed before and after the modification.
State-in-Time reports rebuild the configuration for a selected point in time using daily snapshots.
To produce a report for a historical date, the corresponding historical snapshot must first be imported.
Detect anomalous privileged and service account behavior
Behavioral baselining is often one of the last pieces security teams put in place. Netwrix Threat Manager automates that stage.
The platform analyzes privileged and service account activity and identifies behavior that falls outside the pattern already established for the account.
Abnormal behavior detection starts after an account has been active for at least 30 days.
The baseline can be built from as much as 120 days of historical activity. It then reassesses every user at 15-minute intervals.
If activity moves beyond the configured threshold, Netwrix Threat Manager creates a threat record for investigation.
At that point, the more practical question is usually not which product to deploy, but which parts of the overall program are already in place.
Netwrix Access Analyzer, Netwrix Privilege Secure, Netwrix Auditor, and Netwrix Threat Manager each address a different stage of the overall program.
Cover CISA’s account countermeasures
The CISA Eviction Strategies Tool organizes post-compromise countermeasures under individual IDs.
Five of those countermeasures focus on privileged and stale accounts, with a corresponding Netwrix product supporting each one:
- Remove extraneous and stale accounts (CM0112): Netwrix Access Analyzer identifies disabled and inactive user accounts and automates their cleanup.
- Monitor permissions for user, service, and administrator accounts (CM0043): Netwrix Access Analyzer resolves nested group membership and ACL-granted rights to show each account’s effective permissions.
- Monitor account creation and permission changes (CM0044): Netwrix Auditor records new accounts and changes to security group membership, including who changed what, when, and where.
- Audit Group Policy Objects in Active Directory (CM0085): Netwrix Auditor records Group Policy modifications together with before-and-after values.
- Investigate suspicious login attempts (CM0063): Netwrix Threat Manager identifies anomalous authentication activity against each identity’s established baseline.
Turn administrative trust into a record that can be reviewed
An authorization system will continue approving a valid credential regardless of whether it is being used by the legitimate administrator or by an attacker who obtained it through phishing.
Monitoring provides the evidence needed to distinguish between those two situations, but it only works effectively as part of a broader program.
A complete program brings several controls together: a full inventory of privileged accounts, a smaller attack surface, behavioral baselines, detection of entitlement drift between formal reviews, correlated alerts instead of an unreadable event queue, and audit evidence that monitored administrators cannot quietly modify.
Auditors, boards, and cyber insurers increasingly expect exactly that kind of record rather than a policy statement confirming that a monitoring tool exists.
The gap between the two is closed stage by stage, beginning with whichever part of the current program remains incomplete.
