Information Technology (IT) professionals have recognized the importance of disaster recovery for decades. High-profile Internet worms, natural disasters, and other high-profile security breaches all serve as reminders of the need to plan properly for disaster recovery and other business continuity issues. Disaster recovery applies mainly to corporations and other large organizations, but the same basic principles apply in home networking, too. What is Disaster Recovery? Disaster recovery involves a series of actions to be taken in the event of major unplanned outages to minimize their adverse effects. In networking, disasters can result from events such as computer malware electric power failures hacker attacks underground cable cuts or failures fire, flood, earthquake, and other natural disasters at a facility mistakes in system administration The related concept of business continuity involves insuring that an organization's critical business processes, including those utilizing IT systems, can be maintained in the event of a disaster.