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Sensitive compartmented information facility
A Sensitive Compartmented Information Facility (SCIF; pronounced "skiff") in United States military, national security/national defense and intelligence parlance, is an enclosed area within a building that is used to process Sensitive Compartmented Information (SCI) types of classified information.
Contents
SCI is usually only briefed, discussed, and stored in an accredited SCIF.
Access
Access to SCIFs is normally limited to those individuals with appropriate security clearances. Non-cleared personnel in SCIF must be under the constant oversight of cleared personnel and all classified information and material removed from view in order to prevent unauthorized access to said information and material; as part of this process, non-cleared personnel are also typically required to surrender all recording, photographic and other electronic media devices. All of the activity and conversation inside is presumed restricted from public disclosure.
Construction
Some entire buildings are SCIFs where all but the front foyer is secure. A SCIF can also be located in an air, ground or maritime vehicle, or can be established on a temporary basis at a specific site. The physical construction, access control, and alarming of the facility has been defined by various directives, including Director of Central Intelligence Directives (DCIDs) 1/21 and 6/9, and most recently (2011) by Intelligence Community Directive (ICD) 705, signed by the Director of National Intelligence. ICD 705 is a three-page capstone document that implements Intelligence Community Standard (ICS) 705-1, ICS 705-2 and the TECHNICAL SPECIFICATIONS FOR CONSTRUCTION AND MANAGEMENT OF SENSITIVE COMPARTMENTED INFORMATION FACILITIES or "Tech Specs." The latest version of the Tech Specs was published in September 2015 (Version 1.3).
Computers operating within such a facility must conform to rules established by ICD 503. Computers and telecommunication equipment within must conform to TEMPEST emanations specification as directed by a Certified TEMPEST Technical Authority (CTTA).