Eighty-five percent of companies without a disaster recovery plan go out of business within a year after a disaster. One thing to consider is forming a separate entity from the Information Technology department to manage disaster recovery. The right consultant will initially do three things: Perform an assessment of what is in place and ask you when you last tested your existing plan. Review test results for successes and failures and failures. Test recovery of one application at a time and work your way up to the most critical business applications.”]
Source: https://www.cuinfosecurity.com/disaster-recovery-at-macro-level-a-364