|1. The interruption of automated processing systems, infrastructure, support services, or essential business operations, which may result, in the organizations inability to provide services for some period of time.
2. Period of time that a service, system, method or business function is expected to be unusable or inaccessible which has a high impact on the organisation, compromising the achievement of the organisation's business objectives. An outage is different to 'downtime' where method or system failures happen as a part of normal operations, and where the impact merely reduces the short-term effectiveness of processes.
(Source: Business Continuity Institute - BCI)