Table 5.

IRRS sub-metrics

Readiness domainSub-metrics
Procedural alignment• Escalation path followed
• IRP referenced during incident
• Deviations from IRP formally justified
Operational execution• Containment-action timing
• Task coverage (breadth of technical actions)
• Execution accuracy
Infrastructure integration• Tool-usage effectiveness
• Tool alignment to IRP
• Inter-tool visibility
Coordination and communication• Role clarity
• Decision flow
• Communication logging
Post-incident follow-through• Root-cause analysis
• Lessons learned
• IRP updated post-simulation
Source(s): Authors’ own work

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