Editing SIPRNet (section)

{{Short description|Computer network used by the United States Government}}
{{Infobox military installation
|operator       = Multiple Operators
|controlledby   = The United States Department of Defense
|partof         = The United States Department of Defense Computer Networks
|country        = Based in United States
|open_to_public = No}}
[[File:USDoS 136760 header.png|thumb|280px|Header of an unclassified Department of State telegram with the "SIPDIS" tag marked in red]]

The '''Secret Internet Protocol Router Network''' ('''SIPRNet''') is "a system of interconnected [[computer network]]s used by the [[United States Department of Defense|U.S. Department of Defense]] and the [[United States Department of State|U.S. Department of State]] to transmit [[Classified information in the United States|classified information]] (up to and including information classified [[Classified information in the United States|SECRET]]) by [[packet switching]] over the 'completely secure' environment".<ref>{{Cite book|url=https://www.worldcat.org/oclc/946756401|title=Us defense information systems agency handbook.|date=2007|publisher=Intl Business Pubns Usa|isbn=978-1-4330-5548-5|location=[Place of publication not identified]|oclc=946756401}}</ref> It also provides services such as [[hypertext]] document access and [[electronic mail]].  As such, SIPRNet is the DoD's classified version of the civilian [[Internet]].

SIPRNet is the secret component of the [[Defense Information Systems Network]].<ref>{{cite web|url=https://fas.org/irp/program/disseminate/siprnet.htm|archive-url=https://web.archive.org/web/19970726161029/http://www.fas.org/irp/program/disseminate/siprnet.htm|url-status=dead|archive-date=July 26, 1997|title=Secret Internet Protocol Router Network (SIPRNET)|publisher=Federation of American Scientists' Intelligence Resource Program|access-date=12 December 2010}}</ref> Other components handle communications with other security needs, such as the  [[NIPRNet]], which is used for nonsecure communications, and the [[Joint Worldwide Intelligence Communications System]] (JWICS), which is used for [[Top Secret]] communications.