| Abbreviation | Definition |
|---|---|
| AICS | Artificial Intelligence for Cyber Security |
| AIP | Application Integrity Policy |
| AISP | Association of Information Security Professionals |
| AISP | Association of Investigators and Security Professionals |
| ALAS | Applied Logic and Security |
| ALDCS | Active Lift Distribution Control System |
| AMP | Advanced Malware Protection |
| AMP | Authentication of Media by Provenance |
| AMSC | Alexandria Model of Security Council |
| AMT | Anti-Motion Tracker |
| ANDSF | Afghan National Defence and Security Forces |
| ANSL | All Night Security Lights |
| AOD | Authority On Demand |
| AOPB | Advanced Office Password Breaker |
| APA | Authentication Perpendicular Array |
| APSA | African Peace and Security Architecture |
| APT | Advanced Persistent Threat |
| ASA | Adaptive Security Appliances |
| ASAP | Alliance of Security Analysis Professionals" |
| ASAP | Alliance of Security Analysis Professionals™ |