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11/06/2026 11:40 pm
TL;DR: Insider threat detection is increasingly about spotting compromised accounts, excessive downloads, third-party misuse, and privilege escalation before they become data loss or operational disruption, according to Zluri. The core lesson is that access visibility, review cadence, and event auditing must be tight enough to expose misuse before normal trust assumptions turn into breach paths.
NHIMG editorial — based on content published by Zluri: Access Management Insider Threat Detection: Best Practices to Detect Them
By the numbers:
- 48% of organizations have seen an increase in insider attacks over the past year.
- Only 5.7% of organisations have full visibility into their service accounts.
- 97% of NHIs carry excessive privileges, increasing unauthorised access and broadening the attack surface.
Questions worth separating out
Q: How should security teams detect insider threats without overwhelming analysts?
A: Start with a small set of high-signal indicators such as unusual login patterns, unauthorized application use, excessive downloads, and privilege changes.
Q: Why do third-party identities create a different insider-risk problem?
A: Third-party identities are trusted enough to access internal systems but often governed less consistently than employees.
Q: What do organisations get wrong about insider threat monitoring?
A: Many teams focus on detection tools before fixing entitlement scope.
Practitioner guidance
- Separate compromise from misuse in detection logic Build alerts that distinguish stolen-credential behaviour from authorised-but-risky access, using device, location, session, and entitlement context together.
- Subject third-party access to the same review cadence as employees Revalidate contractor and vendor access at project milestones, offboarding, and role changes, and revoke access that no longer matches current work.
- Expand auditing beyond authentication events Track file access, data transfer, configuration change, and privilege escalation events so investigators can reconstruct misuse instead of only seeing logins.
What's in the full article
Zluri's full article covers the operational detail this post intentionally leaves for the source:
- A practical breakdown of the five insider-threat indicators and how to recognise them in day-to-day operations.
- Step-by-step examples of how Zluri positions access reviews, event auditing, and auto-remediation together in one workflow.
- More detail on using UBA and sentiment analysis to spot behavioural drift before incidents escalate.
- A vendor-specific view of how its SaaS access management features map to insider-threat monitoring needs.
👉 Read Zluri's article on insider threat detection best practices →
Insider threat detection: what access teams are missing?
Explore further
12/06/2026 8:26 am
Insider threat detection is really access governance under behavioural stress. The article treats insider threat as a detection problem, but the deeper issue is whether identity controls can still distinguish legitimate use from misuse once trust has already been granted. That makes this a governance problem for IAM, PAM, and NHI programmes, not only a monitoring problem. Practitioners should read it as a reminder that entitlement scope and observability must be designed together.
A few things that frame the scale:
- Only 5.7% of organisations have full visibility into their service accounts, according to Ultimate Guide to NHIs.
- 91.6% of secrets remain valid five days after the targeted organisation is notified, showing a critical gap in remediation procedures.
A question worth separating out:
Q: Who should own insider threat response when access misuse is discovered?
A: Ownership should sit with IAM, security operations, and the business system owner together. IAM can validate access scope, security can investigate activity, and the business owner can confirm whether the behaviour matches expected work. Shared ownership prevents stalled investigations and ensures revocation decisions are grounded in context.
👉 Read our full editorial: Insider threat detection shows where access management fails
