| Abbreviation | Definition |
|---|---|
| IPsec | Internet Protocol SECurity protocol |
| IPWG | Interactive Privacy Working Group |
| IRIS | Incident Resolution Information System |
| ISA | Internal Security Act |
| ISAKMP | Internet Security Association and Key Management Protocol |
| ISAM | Information Security Awareness Month |
| ISAR | Internet Security Assessment of Risks |
| ISATP | Information Security Awareness Training Program |
| ISBG | International Security Buyers Guide |
| ISBK | Improved Self-configured scheme for Boot-strapping Keys |
| ISBS | Information Security Breaches Survey |
| ISC2 | International Information Systems Security Certification Consortium |
| ISCM | Information Systems Continious Monitoring |
| ISDP | Information Sharing Data Protection |
| ISIS | Isis Stands For Integrated Security |
| ISM | Information Security Management |
| ISMS | Information Security Management System |
| ISO | Initial Sign-On |
| ISOS | Info-Space Operating System |
| ISP | Internet Security Protocol |