Terminology: Business Resilience

• Acceptable Interruption Window (AIW): The maximum time a system can be down before business objectives are compromised.

• Business Continuity (BC): The capability of an organisation to continue the delivery of products or services at acceptable predefined levels following a disruptive incident.

• Business Continuity Management (BCM): A holistic management process that identifies potential threats and provides a framework for building resilience.

• Business Impact Analysis (BIA): The process of analysing activities and the effect that a business disruption might have upon them.

• Cold Site: A recovery site with basic infrastructure (power, cooling) but no computer equipment or data.

• Crisis Communications: The systems and protocols used to disseminate information to stakeholders during an emergency.

• Disaster Recovery (DR): The technical process of restoring IT systems and data after a significant disruption.

• Hot Site: A fully equipped backup facility with all necessary hardware and updated data, allowing for immediate failover.

• Impact Tolerance: The maximum tolerable level of disruption an organisation can accept for an important business service.

• Incident-Agnostic Planning: Planning for the impact of an event rather than the cause.

• Organisational Resilience: The ability of an organisation to absorb and adapt in a changing environment to enable it to deliver its objectives and to survive and prosper.

• Recovery Point Objective (RPO): The maximum acceptable amount of data loss measured in time.

• Recovery Time Objective (RTO): The maximum acceptable time to restore a system or process after a disruption.

• Reciprocal Agreement: An agreement between two organisations to provide backup facilities to each other in case of emergency.

• Warm Site: A backup facility that is partially equipped with hardware but requires time for data restoration and final setup