SIPRNet

The Secret Internet Protocol Router Network ( SIPRNet ) is a network of computer networks of Foreign Affairs and Ministry of Defense of the United States. This U.S. government network serves the quasi- internal transport of files / documents, especially by foreign sites of these authorities, which may not be publicly distributed or transported. It concerns the dissemination restrictions as to the level of " secret / secret " of the U.S. regulations. About this level of secrecy also classified information is disseminated via the Joint Worldwide Intelligence Communications System.