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In computing, off-site data protection, or vaulting, is the strategy of sending critical data out of the main location (off the main site) as part of a disaster recovery plan. Data is usually transported off-site using removable storage media such as magnetic tape or optical storage .
Implementing a clear separation of permissions between those who can execute the recovery and those who have access to backup data helps minimize the risk of unauthorized actions. Documentation : The plan should be well-documented and easy-to-follow to ensure that operators can effectively follow it during stressful situations.
For example, a deleted file is typically not immediately overwritten on disk, but more often simply has its entry deleted from the file system index. In such a case, the deletion can be easily reversed. Successful recovery from data loss generally requires implementation of an effective backup strategy.
Often used together, the terms business continuity (BC) and disaster recovery (DR) are very different. BC refers to the ability of a business to continue critical functions and business processes after the occurrence of a disaster, whereas DR refers specifically to the IT functions of the business, albeit a subset of BC.
Grandfather-father-son backup (GFS) is a common rotation scheme for backup media, [1] in which there are three or more backup cycles, such as daily, weekly and monthly. The daily backups are rotated on a 3-months basis using a FIFO system as above. The weekly backups are similarly rotated on a bi-yearly basis, and the monthly backup on a yearly ...
A backup strategy requires an information repository, ... A common implementation is an appended ".bak" extension to the file ... is an example of an online backup.
Since true CDP "backup write operations are executed at the level of the basic input/output system (BIOS) of the microcomputer in such a manner that normal use of the computer is unaffected", [2] true CDP backup must in practice be run in conjunction with a virtual machine [6] [9] or equivalent [10] —ruling it out for ordinary personal backup applications.
Like application controls, general controls may be either manual or programmed. Examples of general controls include the development and implementation of an IS strategy and an IS security policy, the organization of IS staff to separate conflicting duties and planning for disaster prevention and recovery process.
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