Controlled access area

Threedimensional space surrounding information system equipment, within which unauthorized individuals are denied unrestricted access and are either escorted by authorized individuals or are under continuous physical or electronic surveillance.
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A volume of space in which uncleared personnel must be escorted and which extends a specific distance in all directions from TEMPEST equipment processing classified information or from a shielded enclosure.
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(1) A program whereby a laboratory demonstrates that something is operating under accepted standards to ensure quality assurance. (2) A management or administrative process of accepting a specific site installation/implementation for operational use based upon evaluations and certifications. (3) A formal declaration by a Designated Approving Authority (DAA) that the AIS is approved to operate in a particular security mode using a prescribed set of safeguards. Accreditation is the official management authorization for operation of an AIS and is based on the certification process as well as other management considerations. The accreditation statement affixes security responsibility with the DAA and shows that due care has been taken for security. (4) Formal declaration by a (DAA) that an information system is approved to operate in a particular security mode using a prescribed set of safeguards at an acceptable level of risk. Formal declaration by a Designated Accrediting Authority (DAA) that an information system is approved to operate at an acceptable level of risk, based on the implementation of an approved set of technical, managerial, and procedural safeguards. (. See security safeguards. )The formal declaration by the Designated Approving Authority (DAA) that an IT system is approved to operate in a particular security mode using a prescribed set of safeguards at an acceptable level of risk.
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A specifically designated and posted area in which classified information or material is located or in which sensitive functions are performed, access to which is controlled and to which only authorized personnel are admitted.
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Information that has not been determined pursuant to E. O. 12958 or any predecessor order to require protection against unauthorized disclosure and that is not designated as classified. The lowest level of government/military classification. Used for data that is neither sensitive nor classified. Disclosure of unclassified data does not compromise confidentiality, and it doesn’t cause any noticeable damage.
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