DOD Department of Defense (US)
DOE Department of Energy (US)
DPP Director of Public Prosecutions
DST Direction de la Surveillance du Territoire— French secret service agency
EASYNET Digital Equipment Corporation's internal communication network
(DECNET)
GTN Global Telecommunications Network: Citibank's international data network
HEPNET High Energy Physics Network: DECNET-based network, primarily controlled by DOE, connected to NASA's SPAN
IID Internal Investigations Division. Both the Victoria Police and the
AFP have an IID
IP Internet Protocol (RFC791): a data communications protocol, used to transmit packets of data between computers on the Internet
IS International Subversive (electronic magazine)