Sensitive Compartmented Information (SCI) Contractor Administrative Security Volume I; DIAM 50-5, Vol. I.

Volume. I ONLY. Marked For Official Use Only which is understood to now be an obsolete designation. vi, 119, [1] pages. Strikeout noted on page 35. Printed on one side only. In the passage of time since this was issued, a substantial amount of information about the handling of Sensitive Compartmented Information has reached the public domain. The Table of Contents has chapters on General, Physical Security, Billets/Personnel Access Authorization and Security Education Program, Visitor Control. Information Security, Administrative Handling and Accountability of Sensitive Compartmented Information(SCI), TEMPEST, Security of Compartmented Computer Operations (contained in Volume II), and enclosures which include a glossary and checklists. This document represents the state-of-practice, state-of-training, state-of-policy/doctrine, and state-of-knowledge during a significant post-Vietnam War yet intense Cold War period. Sensitive compartmented information (SCI) is a type of United States classified information concerning or derived from sensitive intelligence sources, methods, or analytical processes. All SCI must be handled within formal access control systems established by the Director of National Intelligence. SCI is not a classification; SCI clearance has sometimes been called "above Top Secret", but information at any classification level may exist within an SCI control system. When "decompartmentalized", this information is treated the same as collateral information at the same classification level. The federal government requires the SCI be processed, stored, used or discussed in a Sensitive compartmented information facility (SCIF). Sensitive Compartmented Information (SCI) is a U.S. classification for intelligence data from sensitive sources, methods, or processes, requiring strict control within formal access systems (SCIFs) beyond regular Top Secret, demanding specific "need-to-know" and indoctrination for access. It's layered over standard clearances, providing enhanced protection through unique markings (caveats) that restrict its handling to specific "compartments," controlled by the Director of National Intelligence (DNI). Compromise: Occurs if unauthorized individuals gain access, requiring strict reporting. Disbound and held together with a binder clip at the top xerox-style copy believed to have been made about the time of issuance.…