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Resilience and disaster recovery testing

Prove — rather than assert — that critical services survive failure, with recovery objectives tested against real scenarios.

Typical timing
6–10 weeks
Engagement
Fixed scope
Delivery framework
User researchDiscoveryAlphaBetaLive

Establish how critical services behave when things fail — a region, a supplier, a database, a ransomware event — and close the gaps. Recovery objectives are tested, not written down and hoped for, and the evidence satisfies operational resilience regimes such as DORA and the UK financial regulators’ rules.

  • Disaster recovery plans have never been fully tested
  • Regulators or customers ask for evidence of operational resilience
  • A recent outage exposed single points of failure
How it runs

Activities, step by step

The plan follows our delivery framework. Steps that do not apply to this kind of work are left out rather than padded.

  1. 02 · Discovery2 weeks

    Important services and tolerances

    • Critical business services and dependencies mapped
    • Impact tolerances, RTO and RPO agreed
    • Failure scenarios prioritised
  2. 03 · Alpha2–4 weeks

    Design and remediate

    • Architecture reviewed for single points of failure
    • Backup immutability and restore paths verified
    • Remediation of the highest-risk gaps
  3. 04 · Beta2–3 weeks

    Test

    • Controlled failover and restore exercises
    • Chaos experiments in pre-production
    • Results measured against tolerances
  4. 05 · LiveTwice yearly

    Keep it proven

    • Scheduled test calendar
    • Findings tracked to closure
    • Evidence pack refreshed for regulators and auditors

Deliverables

What you keep at the end.

  • Service and dependency map with impact tolerances
  • Tested recovery runbooks
  • Test reports with measured recovery times
  • Remediation plan and regulatory evidence pack

Outcomes

What it is built to change.

  • Recovery objectives proven, not assumed
  • Shorter, less damaging outages
  • Evidence ready for regulators and customers