Disaster Recovery

Disaster recovery is the process, policies and procedures related to preparing for recovery or continuation of technology infrastructure critical to an organization. While business continuity involves planning for keeping all aspects of a business functioning in the midst of disruptive events, disaster recovery focuses on the IT or technology systems that support business functions.

Article: IT Survival Tips for Reducing Uncertainty and Preparing for the Worst

Despite the best efforts of IT organizations to take steps against failure, with numerous safeguards, a major source of today's failures can be attributed to both complexity and simply human error.