SIPRNet
Overview
United States Department of Defense
The United States Department of Defense is the U.S...
and the U.S. Department of State to transmit classified information
Classified information in the United States
The United States government classification system is currently established under Executive Order 13526, the latest in a long series of executive orders on the topic. Issued by President Barack Obama in 2009, Executive Order 13526 replaced earlier executive orders on the topic and modified the...
(up to and including information classified SECRET
Classified information in the United States
The United States government classification system is currently established under Executive Order 13526, the latest in a long series of executive orders on the topic. Issued by President Barack Obama in 2009, Executive Order 13526 replaced earlier executive orders on the topic and modified the...
) by packet switching over the TCP/IP protocol
Communications protocol
A communications protocol is a system of digital message formats and rules for exchanging those messages in or between computing systems and in telecommunications...
s in a 'completely secure' environment". It also provides services such as hypertext
Hypertext
Hypertext is text displayed on a computer or other electronic device with references to other text that the reader can immediately access, usually by a mouse click or keypress sequence. Apart from running text, hypertext may contain tables, images and other presentational devices. Hypertext is the...
document access and electronic mail. As such, SIPRNet is the DoD's classified version of the civilian Internet
Internet
The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite to serve billions of users worldwide...
.
SIPRNet is the SECRET component of the Defense Information Systems Network
Defense Information Systems Network
The Defense Information System Network has been the United States Department of Defense's enterprise network for providing data, video and voice services for 40 years....
.
According to the U.S.
