What is disaster recovery? | Network World

Disasters come in all shapes and sizes. It’s not just catastrophic events such as hurricanes, earthquakes and tornadoes, but also incidents such as cyber-attacks, equipment failures and even terrorism that can be classified as disasters.

Companies and organizations prepare by creating disaster recovery plans that detail actions to take and processes to follow to resume mission-critical functions quickly and without major losses in revenues or business.

What is disaster recovery?

In the IT space, disaster recovery focuses on the IT systems that help support critical business functions. The term “business continuity” is often associated with disaster recovery, but the two terms aren’t completely interchangeable. Disaster recovery is a part of business continuity, which focuses more on keeping all aspects of a business running despite the disaster. Because IT systems these days are so critical to the success of the business, disaster recovery is a main pillar in the business continuity process.

The cost of disasters

Economic and operational losses can overwhelm unprepared businesses. One hour of downtime can cost small companies as much as $8,000, midsize companies up to $74,000, and large enterprises up to $700,000, according to a 2015 report from the IT Disaster Recovery Preparedness (DRP) Council.

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