National Security System 

Type - Term
Description: Any telecommunications or information system operated by the United States Government, the function, operation, or use of which: (a) involves intelligence activities; (b) involves cryptologic activities related to national security; (c) involves command and control of military forces; (d) involves equipment that is an integral part of a weapon or weapon system; or (e) is critical to the direct fulfillment of military or intelligence missions and does not include a system that is to be used for routine administrative and business applications (including payroll, finance, logistics, and personnel management applications). 
Acronym: NSS
 
Comments: Source: 40 U.S.C. Section 1452, Information Technology Management Reform Act of 1996. [INFOSEC-99]