| Acronym | Definition |
|---|
| ISSEP➣Information Systems Security Engineering Professional (ISC2) |
| ISSEP➣Information Systems Security Engineering Professional |
| ISSEP➣Institut Scientifique de Service Public (Belgium) |
| ISSEP➣International Soros Science Education Program (Russia) |
| ISSEP➣Informatics in Secondary Schools - Evolution and Perspectives |
| ISSEP➣Integrated Systems and Software Engineering Process |
| ISSEP➣Industrial and Support Services Expansion Program (Development Bank of the Philippines) |