Definition
Continuity refers to the ability of a system or organization to maintain essential functions during and after a disruptive event. This is achieved through proactive planning, redundant systems, and robust recovery procedures. In practice, continuity involves identifying critical operations, assessing potential threats, and implementing strategies to minimize downtime and data loss. It is crucial for ensuring business resilience, protecting reputation, and meeting regulatory compliance. For example, a cloud provider might implement multi-region redundancy to ensure services remain available even if one data center experiences an outage. Continuity differs from disaster recovery, which typically focuses on restoring IT systems after a catastrophic event, whereas continuity encompasses broader business operations. This concept is fundamental to domains like IT Service Management and Security Operations, appearing in certifications such as CompTIA Security+ and CISSP.