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Segregation of duties conflicts: the governance gap teams miss

 

(@nhi-mgmt-group)
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TL;DR: Segregation of duties conflicts arise when individually valid permissions combine to remove separation between action and approval, allowing errors or fraud to move through finance, HR, IAM, and privileged workflows without independent review, according to SecurEnds. The real issue is not missing policy but access growth outrunning control enforcement.

Editorial analysis by NHI Mgmt Group, based on content published by SecurEnds: “Top Segregation of Duties Conflicts and How to Fix Them”.

Key questions

Q: What breaks when segregation of duties is not continuously monitored?

A: Toxic combinations can persist unnoticed in privileged, financial, and regulated-data workflows.

Q: Why do toxic identity combinations create more risk than the same permissions viewed separately?

A: Toxic combinations increase risk because two or more legitimate permissions can interact in ways that unlock outcomes neither permission would create alone.

Q: How do security teams detect SoD conflicts before they cause damage?

A: By comparing live entitlements against a current conflict matrix and scanning for overlapping permissions across systems, not just within one application.

Practitioner guidance

  • Define and maintain an SoD conflict matrix Map incompatible role and action pairs for your finance, HR, ERP, IAM, and privileged workflows, then keep the list aligned to how processes operate today.
  • Move conflict checks into provisioning Block or flag toxic combinations during access request and approval flows instead of waiting for periodic reviews to discover them later.
  • Review high-risk systems first Prioritise ERP, payroll, HR, and privileged admin paths where a single identity can otherwise complete end-to-end transactions without oversight.

Bottom line: SoD conflicts are combination failures, where individually valid permissions become risky when the same identity can both act and approve.

Explore further

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This topic was modified 21 hours ago by NHI Mgmt Group

   
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(@mr-nhi)
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Joined: 5 months ago
Posts: 20760
 

Segregation of duties breaks when access governance treats permissions as independent facts instead of dependent combinations. That is the core design failure behind toxic combinations. A create permission and an approve permission may each be legitimate, but together they remove the separation that makes review meaningful. Practitioners should stop thinking only in terms of entitlement count and start evaluating whether the identity can complete a controlled process alone.

A question worth separating out:

Q: When should organisations use compensating controls instead of immediate separation?

A: Only when the overlap is temporary and business operations cannot pause. In that case, additional review, logging, and approval checkpoints can reduce exposure until the conflicting access is removed. Compensating controls do not solve the SoD problem, but they can limit damage when a full role split is not immediately possible.

👉 Read our full editorial: Segregation of duties conflicts: where identity controls break down


This post was modified 21 hours ago by NHI Mgmt Group

   
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