GENERAL REQUIREMENT: Classified information shall be transmitted by electronic means over an approved secure communications system authorized by the Director, NSA, or a Protected Distribution System (PDS) designed and installed to meet the requirements of National Security Telecommunications and Information Systems Security Instruction (NSTISSI) 7003. This applies to voice, data, message (both organizational and e-mail), and facsimile transmissions.
CHECK: Where classified (SIPRNet) transmissions are outside of an area approved for unprotected transmission check that the cryptographic system is designed and installed IAW NSA approved guidelines. Generally an area not approved for unprotected SIPRNet transmissions will be any transmission through an area that is not a SCIF, Secret or higher Vault or Secure Room or Secret or higher Controlled Access Area (CAA). NOTES: 1. This check is applicable in a tactical environment regardless if the unprotected SIPRNet transmission line is located within a fixed facility, or field/mobile environment. 2. This check is NA if the unencrypted signal is installed in a proper Protected Distribution System (PDS).
|