| Abbreviation | Definition |
|---|---|
| ISSA | Information Security for South Africa |
| ISSA | Information Systems Security Association |
| ISSIP | Information System Security Implementation Process |
| ISTS | Institute for Security Technology and Society |
| IT | Information Trickery |
| ITC | Information Trust Corporation |
| ITH | Item That's Hacked |
| ITP | Information Technology Probers |
| ITSEC | Information Technology Security Evaluation Criteria |
| IWA | Integrated Windows Authentication |
| JCA | Java Cryptography Architecture |
| JCE | Java Cryptography Extensions |
| JCSR | Japan Computer Security Research |
| JCSV | JCV/SV40 hybrid Virus |
| JIAS | Journal of Information ASsurance |
| JITA | Just In Time Authentication |
| JKM | Joint Key Management |
| JKMI | Joint Key Management Infrastructure |
| JKMIWG | Joint Key Management Infrastructure Working Group |
| JKMP | Joint Key Management Plan |