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| Criterion |  Operations MORT Analysis |  Architecture Risk Storming |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. |
Complexitydifferent | High | Low | High |
Timedifferent | Mehrere Tage bis Wochen | 60-90 min | 2-6 h |
Participantsdifferent | 2-6 | 4-12 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Annotated Diagram, Prioritized Risk List, Action Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | Root causeSafetySystemicIncident | RiskArchitectureWorkshopValidation | RiskRoot causeSafety |
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