Definition: Backup, in its simplest form, refers to making an electronic copy of mission critical information that can be used to re-constitute lost, stolen or damaged documents. There are many ways the basic task can be accomplished. Comprehensive information security software (such as Norton) comes with utilities that provide for the duplication of valuable information assets. Commercial services are available, such as Cabonite. Business organizations, however, usually control the process through policies and specify how, when and where duplicate content is to be created and stored. Making and securing copies of essential information should be governed by the organization's security policies.

Its Relevance: We have become more and more dependent upon computer information systems. An individual or organization must have duplicate information that can be used to restore lost data. Loss of information without the capability to recover could be disastrous. Valuable personal information or business continuity can be lost. A majority of businesses that lose their critical data go out of business.

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