| ISSE |
Information Security Solutions Europe |
| ISSN |
International Standard Serial Number |
| ISSO |
Information System Security Officer |
| ISSP |
Internet Satellite Service Provider |
| ISSP |
Inter-Switch Signalling Protocol |
| ISSS |
IBM Speech Server Services |
| ISST |
(Fraunhofer-)Institut für Software- und Systemtechnik |
| IST |
Internet Transaction Server |
| IST |
Information Society Technologies (Programme) |
| ISTF |
Internet Science and Technology Fair |
| ISTF |
Internet Societal Task Force |
| ISTO |
Information Science and Technology Office |
| ISTPA |
International Security, Trust + Privacy Alliance |
| ISU |
Industry Solution Unit (IBM) |
| ISUG |
International SGML/XML Users Group |
| ISUP |
ISDN User Part |
| ISUS |
Information Services and User Support (DFN) |
| ISV |
Independent Software Vendor |
| ISVR |
Intel Smart Video Recorder |
| ISWL |
International Short Wave League |
| IT |
Information Technology, Informationstechnik |
| ITA |
International Telegraphy Alphabet |
| ITA |
Intend To Adopt (Debian) |
| ITA |
Interface Test Adapter |
| ITA |
Interim Type Approval |
| ITAA |
Information Technology Association of America |
| ITAC |
ISDN Terminal Adapter Circuit |
| ITB |
Information Technology Branch |
| ITC |
International Telegraph Code |
| ITC |
IntelliCAD Technology Consortium |
| ITC |
Independent Television Commission |
| ITE |
Internal Terminal Emulator |
| ITE |
Informationstechnische Einrichtung |
| ITF |
Isochronous Transfer |
| ITG |
Informationstechnische Grundausbildung |
| ITG |
Informationstechnische Gesellschaft im VDE |
| ITHE |
International Travel Host Exchange |
| ITI |
Interactive Terminal Interface |
| ITK |
Informationstechnik und Telekommunikation |
| ITLB |
Instruction TLB |
| ITM |
Internet Transaction Mix |
| ITO |
Intend To Orphan (Debian) |
| ITO |
Indium Tin Oxide |
| ITOT |
ISO Transport Service on top of TCP |
| ITP |
Intend To Package (Debian) |
| ITR |
Internet Talk Radio |
| ITS |
International Telecommunications Society |
| ITS |
Intelligent Transport System |
| ITS |
Institute for Telecommunication Sciences, USA |
| ITS |
Incompatible Time-Sharing System |