Business Continuity (BC) ensures that an organization can continue (or restart) operations after service interruptions due to serious incidents, issues, or disasters. Typical disasters include unexpected natural disasters such as fires, floods, earthquakes, or also unnatural incidents, like terrorist attacks.
As defined on Disaster Recovery Journal website (https://www.drj.com/) states that:
"A disaster is a sudden, unplanned calamitous event that brings about great damage or loss. Any event that creates an inability on the organization's part to provide the critical business functions for some undetermined period of time."
But you also have to consider accidents by key personnel in the business, server crashes, and security breaches. All these can impact the business from the infrastructure level to the application and...