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Note added at 26 мин (2018-08-19 07:16:49 GMT)
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Defense Security Service
Office of the Designated Approving Authority
Manual for the Certification and Accreditation of Classified Systems under the NISPOM

4.7.3
Hardware Marking
All components of an IS, including input/output devices that have the potential for retaining information, terminals, standalone microprocessors, or work processors used as terminals, will bear a conspicuous, external label that states the highest classification level and most restrictive classification category of the information accessible to the component in the IS. In areas where classified and unclassified information are processed on collocated IS, unclassified
hardware and media will also be marked.
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Note added at 35 мин (2018-08-19 07:25:39 GMT)
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Defense Security Service
Office of the Designated Approving Authority
Industrial Security Field Operations (ISFO)

Process Manual for the Certification and Accreditation of Classified Systems under the National Industrial Security Program
Operating Manual (NISPOM)

Revision 3
June 2011

5.2.5.2 Hardware Marking

All components of an IS, including input/output devices that have the potential for retaining information, terminals, standalone microprocessors, or work processors used as terminals, shall bear a conspicuous, external label that states the highest classification level and most restrictive classification category of the information accessible to the component in the IS. In areas where classified and unclassified information are processed on collocated IS, unclassified media shall also be marked.

While color coded labels are not required, the following guidance should be used when color coding is used to indicate classification level:

TOP SECRET – Orange
SECRET – Red
CONFIDENTIAL – Blue
UNCLASSIFIED – Green
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