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Chapter 13-Security

business continuity the ability of an organization to maintain operations and services in the face of a disruptive event.
Business continuity planning and testing the process of identifying exposure to threats, creating preventive and recovery procedures, and then testing them to determine if they are sufficient.
business impact analysis (BIA) An analysis that identifies mission-critical business functions and quantifies the impact a loss of such functions may have on the organization in terms of its operational and financial position.
chain of custody A process of documentation that shows that the evidence was under strict control at all times and no unauthorized individuals were given the opportunity to corrupt the evidence.
clustering Combining two or more servers to appear as one single unit.
cold site A remote site that provides office space; the customer must provide and install all the equipment needed to continue operations.
computer forensics Using technology to search for computer evidence of a crime.
disaster recovery plan (DRP) A written document that details the process for restoring IT resources following an event that causes a significant disruption in service.
data backup The process of coyping information to a different medium and storing it (preferably at an offsite location) so that it can be used in the event of a disaster.
Faraday cage A metallic enclosure that prevents the entry or escape of an electromagnetic field.
forensics (forensic science) The application of science to questions that are of interest to the legal profession.
heating, ventilation, and air conditioning (HVAC) Systems that provide and regulate heating and cooling.
high availability A system that can function for an extended period of time with little downtime.
hot aisle/cold aisle A layout in a data center that can be used to reduce heat by managing air flow.
hot site A duplicate of the production site that has all the equipment needed for an organization to continue running, including office space and furniture, telephone jacks, computer equipment, and a live telecommunications link.
IT contingency planning The process of developing an outline of procedures to be followed in the event of a major IT incident or an incident that directly impacts IT.
mean time between failures (MTBF) A statistical value that is the average time until a component fails, cannot be repaired, and must be replaced.
order of volatility The sequence of volatile data that must be preserved in a computer forensic investigation.
RAID (Redundant Array of Independent Drives) A technology that uses multiple hard disk drives for increased reliability and performance.
recovery point objective (RPO) The maximum length of time that an organization can tolerate between backups.
recovery time objective (RTO) The length of time it will take to recover data that has been backed up.
risk assessment The process of identifying threats.
single point of failure A component or entity in a system which, if it no longer functions, would adversely affect the entire system.
succession planning Determining in advance who will be authorized to take over in the event of the incapacitation or death of key employees.
system image A snapshot of the current state of the computer that contains all settings and data.
tabletop exercises Exercises that simulate an emergency situation but in an informal and stress-free environment.
warm site A remote site that contains computer equipment but does not have active Internet or telecommunication facilities, and does not have backups of data.
mean time to recovery (MTTR) The average time for a device to recover from a failure that is not a terminal failure.
Created by: tblass