The Recovery Time Objective (RTO) specifies the maximum acceptable duration within which systems, applications or business processes must be restored after a disruption. It represents the threshold beyond which downtime causes unacceptable harm to the organisation—whether financial, reputational or regulatory. RTO is a fundamental metric in disaster recovery and business continuity planning.
Defining realistic RTOs requires input from both technical teams and business stakeholders, as the cost of achieving shorter recovery times increases significantly with tighter targets. Regular disaster recovery testing is essential to validate that actual recovery capabilities align with documented RTOs and to identify bottlenecks before a real incident occurs.