| 1. A Disruption is an interruption of normal business operations or processes which can range from short term to longer term unavailability.
(Source: ISO 22399:2007 – Societal Security - Guideline for Incident Preparedness and Operational Continuity Management) - clause 3.5
3. Event, whether anticipated (e.g. a labour strike or hurricane) or unanticipated (e.g. a blackout or earthquake), which causes an unplanned, negative deviation from the expected delivery of products or services according to the organization’s objectives.
(Source: British Standard BS25999-1:2006 Code of Practice for Business Continuity Management)
(Source: Singapore Standard 540 - SS 540:2008)
5. An event which interrupts the ability of an organisation to deliver its outputs.
(Source: ENISA - the European Network and Information Security Agency. BCM & Resilience Glossary)