| Abbreviation | Definition |
|---|---|
| ASARPGLT | Aperature Science Automated Rocket-Propelled Grenade Launcher Turret |
| ASC | American Security Council |
| ASIC | Australian Securities & Investments Commission |
| ASIC | Australian Securities and Investments Commission |
| ASIO | Australian Security Intelligence Organization |
| ASIS | American Society for Industrial Security |
| ASSA | ABLOY security solution Assa |
| ATCI | Applications and Techniques in Cyber Intelligence |
| ATIP | Access To Information and Privacy |
| AUI | Audit Universe Item |
| AVERT | Anti-Virus Emergency Response Team |
| BCCS | Boston Conference on Cyber Security |
| BCSS | Bank Card Security System |
| BDE | BitLocker Drive Encryption |
| BEC | Business Email Compromise |
| BEK | Bitlocker Encryption Key |
| BESF | Baghdad Embassy Security Force |
| BKA | Batched Key Access |
| BM | Black Mailer |
| BSCIS | Bachelor Of Science In Cyber And Information Security |