Segregation of Duties Matrix Template: Roles, Conflicts and Mitigating Controls

A segregation of duties matrix template makes incompatible responsibilities visible before they enable unauthorized, erroneous or concealed activity. It connects business activities, system permissions, assigned people, conflict rules and mitigating controls in one reviewable record.

The matrix is a risk-assessment aid, not proof that controls operate or that access is compliant. Qualified finance, security, audit, HR, legal, compliance and process owners must apply applicable law, policy, contractual requirements, site-specific controls and professional judgment. A checklist is not authorization or proof of compliance.

Define scope and control objectives

State the entity, processes, systems, legal entities, locations, worker populations and review period. Identify authoritative sources for roles, entitlements, workflow approvals and organizational assignments. A narrow application export can miss conflicts that span manual work, shared services or multiple systems.

Define the control objective for each process. Typical activity families include request, approval, custody, execution, recording, master-data maintenance, system administration and independent review. These are design prompts, not universal rules. Qualified owners decide which combinations are incompatible in the actual environment.

Document the policy, risk method, matrix owner, reviewers, data cutoff and limitations. Use the internal audit report template when communicating independently assessed design or operating findings.

Copy this segregation of duties matrix template

SEGREGATION OF DUTIES MATRIX

Entity / process / system / period:
Matrix owner / reviewers / data cutoff:
Policy and conflict-rule source:
Population and exclusions / limitation:

ACTIVITY CATALOG
Activity ID / description / risk objective:
Initiate / approve / execute / custody / record / review:
Business owner / system permission source:

ROLE AND ACCESS MAPPING
Person or role / department / manager:
Assigned activities / systems / entitlements:
Effective dates / privileged or emergency access:

CONFLICT ASSESSMENT
Rule ID / incompatible activities:
Conflict holder / business context / evidence:
Inherent risk / reviewer / determination:

MITIGATION AND REMEDIATION
Preventive or detective control / frequency:
Control owner / performer / reviewer / evidence:
Residual risk / exception authority / expiry:
Remediation action / owner / due date / status:

Keep identifiers stable so rules, evidence and remediation can be traced over time. Store sensitive access details in an appropriately restricted system rather than a broadly shared worksheet.

Build a business activity catalog

Begin with business activities, then map technical permissions. Permission names often reveal implementation but not intent; one entitlement may enable several activities, while a business task may require several applications. Ask process and system owners to validate the translation.

Describe activities at a useful level. “Finance access” is too broad; “create supplier master,” “approve purchase order,” “record receipt” and “release payment” support meaningful conflict analysis. Include manual overrides, bulk uploads, interfaces, service accounts and emergency routes.

The purchase order approval workflow illustrates how request, approval and change authority should remain traceable. Apply the same discipline to other cycles without assuming one process design fits all.

Define conflicts from risk scenarios

Write each conflict rule as a scenario explaining what a person could initiate, execute, record or conceal. Identify affected assets or records, plausible consequence and the control objective. This makes rule ownership and challenge easier than a colored intersection alone.

Assess combinations within and across processes. Supplier-master maintenance may conflict with invoice processing or payment release; privileged system administration may undermine otherwise separated workflow roles. Include temporary and delegated access where relevant.

Avoid declaring every combination high risk. Use the approved assessment method and supporting evidence. Record uncertainty and false-positive logic explicitly. Rule libraries require qualified local review, particularly after system or policy changes.

Map people, roles and entitlements

Extract current assignments from authoritative sources with effective dates and data owners. Reconcile HR status, job roles, groups, direct permissions and privileged access. Investigate shared or orphaned accounts rather than assigning them to a convenient owner.

Separate role-design conflicts from user-level conflicts. A role may be inherently incompatible even if no current user exploits every permission. Conversely, a user can accumulate compatible roles that become conflicting in combination. Preserve both views.

Record evidence provenance and handling restrictions. The audit evidence log template provides fields for source, custodian, extraction date, integrity and reviewer. Do not place passwords, secrets or unnecessary personal data in the matrix.

Evaluate conflicts and mitigating controls

For each match, confirm that permissions are effective, activities are actually possible and scope overlaps. Document the reviewer, evidence and determination: true conflict, false positive, accepted exception or remediation required. Automated matching is a starting point, not a final conclusion.

A mitigating control should address the specific scenario, operate at sufficient frequency, use reliable information, be performed by an appropriately independent person and leave evidence. A manager’s general awareness is not equivalent to a documented review of complete transactions.

Name control owner, performer, reviewer, population, procedure, timing, evidence and failure escalation. Assess whether the same conflicted person can alter the report or evidence used by the reviewer.

Manage exceptions and small-team constraints

When structural separation is impractical, document the reason, duration, affected scope and risk. Design a preventive or detective control that can identify unauthorized or erroneous activity in time for response. Independent review, dual authorization and restricted reports may help, but suitability depends on the scenario.

Exceptions need an authorized approver, residual-risk statement, evidence, expiry date and periodic reassessment. Limited staffing does not automatically make a conflict acceptable. Consider process redesign, external review, system configuration or rotating responsibilities.

Use the audit findings tracker template for remediation actions and closure evidence. A finding should close only after the designated reviewer confirms implementation and, where required, operating effectiveness.

Test design and operating evidence

Quality-check completeness of populations, activity mappings, rule logic, dates and owners. Reconcile sample users to source systems and trace selected rules through actual workflows. Validate that excluded systems or populations are disclosed and justified.

Design effectiveness asks whether the control could address the risk if performed as described. Operating effectiveness asks whether it was performed consistently with reliable evidence. Do not infer the second from documentation of the first.

Quality checks should also test joins between datasets. Confirm that user identifiers resolve consistently across HR, identity, application and workflow sources; investigate contractors, duplicate identities, shared accounts and recently terminated users. Recalculate a sample of matrix intersections manually and test both a known conflict and a known non-conflict. Verify that effective dates prevent historical or future assignments from being reported as current. Compare exception records with actual control evidence and ensure expired approvals cannot remain active merely because a spreadsheet row was copied forward.

Review completeness with each process owner and obtain explicit confirmation of systems, interfaces and manual activities omitted from the analysis. For every exclusion, state the rationale, risk owner and planned treatment. Compare conflict counts with the prior review and explain movement through source changes, rule changes, remediation or organizational change. A falling count is not evidence of stronger control when the underlying population or rules became narrower.

Record test owner, period, sample basis, exceptions and conclusion under the approved assurance method. Internal audit independence and evidence requirements must be determined by qualified audit leadership, not by the matrix preparer.

Govern changes and periodic review

Trigger review after reorganizations, new systems, workflow changes, acquisitions, role redesign, outsourcing or emergency access. Integrate SoD checks into joiner, mover, leaver and access-request processes where appropriate. Time-bound elevated access should expire automatically or receive explicit review.

Version conflict rules and document who approved changes. Compare periods to identify new conflicts, closed exceptions and overdue remediation. Reconcile the matrix to access certification without treating certification as proof that transaction controls worked.

The supplier onboarding checklist offers a useful example of cross-functional ownership and evidence, especially where master data, procurement and payment responsibilities intersect.

Use assisted capture safely

Control-design workshops may disclose vulnerabilities, fraud scenarios, employee data and privileged-access details. Record only with authority, clear notice, consent where applicable, privacy controls, secure handling, restricted access and retention limits.

For an authorized control workshop, Kuno can assist with capture and draft action notes for human review. It does not decide incompatibility, residual risk or exception approval. Explore Kuno

Verify AI-assisted notes against authoritative access data and participant corrections. Never upload sensitive entitlement exports to an unapproved environment or let generated summaries replace formal testing.

Complete remediation and ownership

Prioritize confirmed conflicts using approved risk criteria, then assign one action owner, due date, dependency and closure reviewer. Removal of one entitlement may affect operations, so test the proposed change and obtain appropriate business and system authorization.

Report overdue high-risk items through the defined escalation path. Preserve prior states and approval evidence so reviewers can understand when a conflict existed and how it was addressed.

Keep authorized workshops connected to controlled remediation. Kuno supports reviewable draft notes, while qualified control owners validate access, apply policy and approve the final matrix. See Kuno

FAQ

What is a segregation of duties matrix?

It maps incompatible activities and access, current assignments, conflicts, controls, owners, exceptions and review evidence.

Which duties should be segregated?

Common categories include initiation, approval, custody, execution, recording, administration and independent review, adapted to actual risks and systems.

What if a small team cannot fully segregate duties?

Assess the specific conflict and implement documented, timely, evidenced mitigating controls with authorized residual-risk acceptance and expiry.

How often should an SoD matrix be reviewed?

Follow policy and review after material role, system, process, supplier or organizational changes, with risk-based monitoring between certifications.

Is a segregation of duties matrix an access-control list?

No. An access list shows permissions; an SoD matrix evaluates incompatible combinations across business activities, roles and systems.

Can AI identify segregation-of-duties conflicts?

AI can organize authorized data, but qualified humans must validate permissions, context, rules, exceptions and control effectiveness.