Operational resilience goes beyond business continuity by emphasizing the continuous delivery of important business services within acceptable tolerance levels during stress. It requires identifying critical operations, mapping dependencies, setting impact tolerances, and testing scenarios including severe but plausible events. UK financial regulators now mandate that firms identify their important business services and demonstrate they can remain within impact tolerances. This approach integrates risk management, business continuity, disaster recovery, and crisis management into a holistic framework focused on outcomes rather than just recovering systems.