Business Continuity and Disaster Recovery
Why service continuity starts from tolerance and works back to restoration order, data, people and testing, rather than from a building evacuation plan alone.
Business continuity plans and disaster recovery that are written for a service, not for a building: restoring the service within its tolerance.
Why service continuity starts from tolerance and works back to restoration order, data, people and testing, rather than from a building evacuation plan alone.
How a continuity plan for one service should read as an action sequence: service, owner, decision maker, recovery order, data, suppliers and workarounds.
How business impact analysis identifies what harm a disruption causes, which service steps matter most, and where continuity effort should go first for each named service.
Continuity after a cyber incident: balancing containment with service recovery, checking data integrity, and returning in phases rather than rushing to restore.
Continuity communications planning: who hears what, through which channel, in what order, and how updates stay honest when facts are still emerging for each audience.
Manual workarounds explained: when paper and process fallbacks help a service, what controls they need, and how their later reconciliation is planned.
Continuity for people and premises: staff availability, skills cover, safe working locations and remote working limits when a site or team is disrupted.
Continuity when a supplier fails: concentration risk, degraded service options, data and exit planning, and testing what a supplier can really do in practice.
Continuity governance and ownership: who owns a service plan, who challenges it, who decides during disruption, and who owns the follow-up afterwards.
Activation criteria: pre-agreed signals, decision rights and partial activation, so a continuity plan starts promptly and does not start too late or too loosely.
Testing continuity without harming customers: tabletop, walkthrough and controlled exercises that expose gaps while keeping live service safe for each important service.
How disaster recovery for ICT restores systems and data in service order, checks integrity before reconnecting customers, and avoids restoring a problem.
Disaster recovery testing for ICT: restoring in isolation, checking data, reconnecting in service order, and turning test failures into plan changes for each service.
Keeping continuity plans usable: short action sequences, current contacts, plain language, version discipline and feedback from every test and incident.
Recovery time and recovery point thinking explained qualitatively: how quickly a service returns, and how much recent data can be lost, both driven by tolerance.