|1. Alert is the notification that a disaster situation has occurred. It implies a possible activation of the plan.
2. A formal notification that an incident has occurred which may develop into a Business Continuity Management or Crisis Management invocation.
(Source: ENISA - the European Network and Information Security Agency. BCM & Resilience Glossary)
(Source: Business Continuity Institute - BCI)
4. Warning that an incident has occurred.