How should organisations respond when high-risk employees also hold privileged access?

Prioritise those users for immediate review, because behaviour and privilege together create outsized exposure. Use targeted micro-training, manager engagement, and access validation to reduce the likelihood that a human mistake becomes a security event.

Why This Matters for Security Teams

When a high-risk employee also has privileged access, the issue is not simply misconduct or poor judgement. It becomes an access governance problem with potential blast-radius amplification. A routine mistake, policy breach, or insider threat can escalate quickly if the user can approve changes, access sensitive data, or disable controls. The practical response needs to combine personnel risk management with privilege reduction, not treat them as separate workflows.

The most common failure is assuming that HR flags, conduct concerns, or performance issues will naturally translate into security action. They often do not. Security teams need a documented path for reviewing entitlements, sessions, and approvals, then deciding whether access should be narrowed, time-boxed, or removed. That review should be anchored in a control framework such as the NIST Cybersecurity Framework 2.0 so that governance, protection, detection, and response are handled consistently.

This is especially important because privileged access is not only about administrator accounts. It also includes delegated approvals, secrets, service credentials, and maintenance paths that may not be obvious in a standard access review. In practice, many security teams encounter excessive trust only after a policy exception, insider incident, or audit finding has already occurred, rather than through intentional review.

How It Works in Practice

The practical response starts with a cross-functional triage. Security, HR, line management, and identity administrators should agree on what “high-risk” means in context, then classify the individual’s access by business criticality and privilege level. Current guidance suggests that the highest priority is not punishment, but risk containment. That means identifying whether the user can change records, approve payments, administer systems, rotate secrets, or access regulated data.

From there, organisations should validate the actual access path, not just the role name. A user may appear to hold a normal title while inheriting elevated rights through group membership, delegated administration, shared credentials, or standing emergency access. This is where privileged access management, session logging, and periodic re-certification become essential. The control expectation maps well to NIST SP 800-53 Rev 5 Security and Privacy Controls, especially when organisations need auditable access reviews and least-privilege enforcement.

• Reconfirm whether the user’s access is still needed for daily duties.
• Reduce standing privilege where possible and replace it with just-in-time elevation.
• Increase monitoring of privileged actions, approvals, and unusual login patterns.
• Apply targeted awareness coaching tied to the user’s actual access risks.
• Require manager sign-off for exceptions and document the business justification.

Where non-human credentials are involved, the same discipline should extend to service accounts and automation paths. The OWASP Non-Human Identity Top 10 is relevant because exposed secrets, over-permissioned automation, and weak ownership often mirror the same governance failures seen with risky human users. These controls tend to break down when privileged access is distributed across legacy systems, shared admin accounts, and emergency bypass paths because entitlement ownership becomes unclear.

Common Variations and Edge Cases

Tighter privilege controls often increase operational friction, requiring organisations to balance rapid business execution against reduced insider risk. That tradeoff is real, especially in small teams, 24/7 operations, or environments where a few people hold deep technical expertise. Best practice is evolving toward proportional control, meaning the response should reflect both the sensitivity of the access and the credibility of the concern, rather than applying a one-size-fits-all lockout.

There is no universal standard for this yet, but the core principle is consistent: do not wait for a confirmed incident before narrowing access. In some cases, a temporary access freeze is appropriate. In others, the safer path is to keep the employee working but remove privileged functions, increase supervision, and shorten review intervals. Organisations operating under formal governance programs can align this with ISO/IEC 27001:2022 Information Security Management to ensure the decision is defensible, repeatable, and recorded.

The edge case that causes confusion is when the employee is both operationally critical and behaviourally concerning. In that scenario, security teams should separate continuity planning from trust decisions: maintain service delivery through role reassignment or break-glass controls, but avoid leaving the person in unrestricted privilege. Where the access includes cloud consoles, identity platforms, or secrets stores, the safe default is to shorten exposure until the review is complete.

Related resources from NHI Mgmt Group

• Should organisations treat third-party access as a privileged identity risk?
• When should organisations treat machine access as a high-risk identity problem?
• How should organisations respond when privileged agent access must be revoked quickly?
• What breaks when organisations rely on passwords and OTPs for high-risk access?