Operational Resilience: Lessons from Recent UK Disruptions

Recent disruptions across UK infrastructure, technology platforms, and supply chains have provided stark reminders of the importance of operational resilience. For organisations seeking to protect their critical services and maintain stakeholder confidence, these events offer valuable lessons.

Lesson 1: Third-Party Dependencies Are Your Risk

Several high-profile outages have been caused not by internal failures, but by disruptions to critical third-party providers. Organisations must map their dependencies thoroughly, understand concentration risks, and develop contingency arrangements for key suppliers. The regulatory expectation is clear: you cannot outsource accountability.

Lesson 2: Testing Must Be Realistic

Tabletop exercises and theoretical scenarios have their place, but genuine resilience requires testing that simulates real-world conditions. This includes testing recovery within impact tolerances, exercising communication plans, and validating that manual workarounds actually function under pressure.

Lesson 3: Communication Is Critical

How an organisation communicates during a disruption can be as important as its technical recovery. Firms that had pre-prepared communication templates, clear escalation paths, and designated spokespersons managed stakeholder expectations far more effectively than those that improvised.

Lesson 4: Learn and Adapt

The most resilient organisations treat every disruption—whether their own or others'—as a learning opportunity. Post-incident reviews should be thorough, honest, and result in concrete improvements. Building a culture that encourages transparency about near-misses and failures is essential for continuous improvement.

Consilium helps organisations build genuine operational resilience that goes beyond regulatory compliance. Our approach is practical, proportionate, and focused on protecting the services that matter most to your customers and stakeholders.