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| Criterion |  Operations Barrier Analysis |  Operations Fault Tree Analysis |  Decision Making Red Teaming |
|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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. | For strategic decisions with high reach, agreement and gut feeling are often not enough. Red teaming brings deliberate opposition into the situation and tests where a plan breaks under real counterarguments. |
Complexitydifferent | Medium | High | High |
Timedifferent | 2-4 h | 2-6 h | 1-4 h |
Participantsdifferent | 2-6 | 3-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Challenge Findings, Risk Register, Mitigation Plan |
Tagsno overlap | Root causeSafetyIncident | RiskRoot causeSafety | RiskDecisionSensemaking |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
