IT disaster recovery
Maintaining or reestablishing vital information technology infrastructure / From Wikipedia, the free encyclopedia
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IT disaster recovery is the process of maintaining or reestablishing vital infrastructure and systems following a natural or human-induced disaster, such as a storm or battle. It employs policies, tools, and procedures. Disaster recovery focuses on information technology (IT) or technology systems supporting critical business functions[1] as opposed to business continuity. This involves keeping all essential aspects of a business functioning despite significant disruptive events; it can therefore be considered a subset of business continuity.[2][3] Disaster recovery assumes that the primary site is not immediately recoverable and restores data and services to a secondary site.