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Contingency plans

Plans for emergency response, backup operations, and postdisaster recovery maintained by a computer information processing facility as a part of its security program.


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Short-term and highly detailed plans based on the strategic and tactical plans. Operational plans are valid or useful only for a short time. They must be updated often (such as monthly or quarterly) to retain compliance with tactical plans. Operational plans are detailed plans on how to accomplish the various goals of the organization.
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Mirror image backups (also referred to as bitstream backups) involve the backup of all areas of a computer hard disk drive or another type of storage media (e. g. , Zip disks, floppy disks, Jazz disks, etc. ). Such mirror image backups exactly replicate all sectors on a given storage device. Thus, all files and ambient data storage areas are copied. Such backups are sometimes referred to as “evidencegrade” backups and they differ substantially from standard file backups and network server backups. The making of a mirror image backup is simple in theory, but the accuracy of the backup must meet evidence standards. Accuracy is essential and to guarantee accuracy, mirror image backup programs typically rely on mathematical CRC computations in the validation process. These mathematical validation processes compare the original source data with the restored data. When computer evidence is involved, accuracy is extremely important, and the making of a mirror image backup is typically described as the preservation of the “electronic crime scene. ”
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A backup site that is a duplicate of original data center with full IT computing infrastructure and replicated data. It is the most expensive business continuity solution. A configuration in which a backup facility is maintained in constant working order, with a full complement of servers, workstations, and communications links ready to assume primary operations responsibilities. A fully operational offsite data processing facility equipped with both hardware and system software to be used in the event of disaster.
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An inexpensive type of backup site with no IT infrastructure (e. g. , computing and network hardware) in place. An IS backup facility that has the necessary electrical and physical components of a computer facility, but does not have the computer equipment in place. The site is ready to receive the necessary replacement computer equipment in the event the users have to move from their main computing location to the alternative computer facility.
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Key held for use under specific operational conditions or in support of specific contingency plans. (. See reserve keying material. )
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