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ISACA Certified Information Security Manager (CISM) 2026 exam content outline · Domain 4: Incident management

Business impact analysis: critical processes, RTO, RPO and MTD

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Last reviewed September 30, 2026 · Leer en español

A business impact analysis (BIA) identifies the organization's critical business processes, what they depend on and how the impact of disrupting them grows over time. It is the foundation of continuity and recovery planning: you cannot set recovery targets or choose recovery strategies until you know what matters most and how quickly it must come back. The BIA also informs incident severity, asset classification and where to spend on resilience.

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