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12/06/2026 1:12 am
TL;DR: Insider threats often succeed when organisations leave excess access in place, miss unusual behaviour, or fail to revoke entitlements when people leave, according to Zluri. The governance lesson is straightforward: insider risk is usually an access lifecycle problem, not just a detection problem.
NHIMG editorial — based on content published by Zluri: Security & Compliance How IT Teams Can Prevent Insider Threats in Organization
Questions worth separating out
Q: How should security teams reduce insider threat risk through access governance?
A: Start with least privilege, then keep proving it through recurring access reviews and automatic revocation when roles change.
Q: Why do former employees remain an insider threat after offboarding?
A: Because offboarding often ends the employment relationship before it ends the technical access.
Q: What do organisations get wrong about insider threat monitoring?
A: They often treat monitoring as the main control instead of the detection layer.
Practitioner guidance
- Tighten access to current job scope Review entitlements against actual duties, remove exceptions that no longer have a business justification, and make access review output directly trigger entitlement removal.
- Automate offboarding revocation across apps Build revocation workflows that remove SaaS access, groups, tokens, and related permissions when employment ends or a contractor relationship closes.
- Set policy for data movement and device use Define what can be downloaded, exported, or shared externally, and enforce those rules consistently on managed and BYOD endpoints.
What's in the full article
Zluri's full article covers the operational detail this post intentionally leaves for the source:
- Examples of suspicious user behaviour that IT teams can use to build alerting rules and review queues
- Practical offboarding and access-revocation steps for SaaS environments and employee exits
- Policy controls for BYOD, password use, MFA, and data transfer restrictions across endpoints
- Tooling examples for onboarding, identity governance, and endpoint monitoring in day-to-day operations
👉 Read Zluri's article on preventing insider threats through access control →
Insider threats and access governance: what IAM teams miss?
Explore further
12/06/2026 10:58 am
Insider threat is usually an access lifecycle failure before it is a detection failure. The article’s core advice points to the same underlying issue across least privilege, offboarding, and policy enforcement: access outlives need. That pattern is familiar in identity governance, where delayed revocation and stale entitlements create avoidable exposure. Practitioners should treat insider threat as a lifecycle discipline, not a standalone monitoring problem.
A few things that frame the scale:
- 72% of organisations have experienced or suspect they have experienced a breach of non-human identities, according to 2024 ESG Report: Managing Non-Human Identities.
- Enterprises that have experienced a compromised NHI averaged 2.7 separate incidents in the past 12 months, according to 2024 ESG Report: Managing Non-Human Identities.
A question worth separating out:
Q: How should IAM and security teams coordinate on insider threat accountability?
A: IAM should own entitlement scope, lifecycle revocation, and access review outcomes, while security should own behavioural detection and response. The two functions meet at the point where unusual activity reveals that access was broader or longer-lived than it should have been. Shared ownership prevents gaps between governance and investigation.
👉 Read our full editorial: Insider threat controls for IAM teams: where access governance fails
