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Operational Resilience

Also known as:OR

Operational Resilience: Ability to maintain critical services or rapidly restore them following disruptions. Effectiveness is achieved through clear responsibilitiesResponsibilityAn explicitly assigned obligation to make, perform, or verify a security decision or task., documented guidelines, regular reviews, and measurable improvement goals.

How it works and where it fits

Operational Resilience views security through the continuity and restoration of critical services. The question is not only whether disruption can be prevented, but which processes take priority, which dependencies they require, and which data states must be restored within defined periods. Technical systems and organizational procedures form a shared recovery chain.

Practical security relevance

Resilience can be demonstrated only through realistic testing. Backups need separate protection, recovery procedures must be documented, and responsibilities must be unambiguous. Exercises should include unavailable identity services, compromised administration paths, missing keys, and constrained communication. Measurable recovery objectives connect technical measures to actual business impact.

  • Business Continuity ManagementBusiness Continuity ManagementPlanning of measures to maintain critical business processes during disruptions.: Planning of measures to maintain critical business processes during disruptions.
  • Disaster RecoveryDisaster RecoveryRestores IT systems and data following major disruptions, adhering to defined targets.: Restores IT systems and data following major disruptions, adhering to defined targets.
  • Business Impact AnalysisBusiness Impact AnalysisAssessment of the consequences of outages and prioritization of critical processes and resources.: Assessment of the consequences of outages and prioritization of critical processes and resources.
  • Tabletop ExerciseTabletop ExerciseDiscussion-based incident exercise using a prepared scenario.: Discussion-based incident exercise using a prepared scenario.

Related terms