Intelligence Community Standard Number 705-1: Physical and Technical Security Standards for Sensitive Compartmented Information Facilities (Effective 17 September 2010) [open pdf - 2MB]
The purpose of this standard is as follows: "(1) This Intelligence Community Standard sets forth the physical and technical security standards that apply to all sensitive compartmented information facilities (SCIF), including existing and new construction, and renovation of SCIFs for reciprocal use by all Intelligence Community (IC) elements and to enable information sharing to the greatest extent possible. (2) The standards contained herein facilitate the protection of sensitive compartmented information (SCI), including protection against compromising emanations, inadvertent observation or overhearing, disclosure by unauthorized persons, forced entry, and the detection of surreptitious and covert entry. (3) The Assistant Deputy Director of National Intelligence for Security (ADDNI/SEC) shall, in consultation with IC elements, develop and establish technical specifications to implement SCIF standards that include descriptions of best practices. The ADDNI/SEC shall, in consultation with IC elements, review and update the Technical Specifications/or Construction and Management a/Sensitive Compartmented Information Facilities (hereinafter 'IC Tech Spec ') on an ongoing basis."
ICS 705-1; Intelligence Community Standard 705-1
Federation of American Scientists: http://www.fas.org