| Abbreviation | Definition |
|---|---|
| ESSC | Employed Security Service Center |
| ESTF | EVE Security Task Force |
| ET | Encryption Technology |
| FAAR | Firewall Analysis Audit Repair |
| FAR | False Alarm Rate |
| FASG | Fraud and Security Group |
| FATV | File Allocation Table Virus |
| FBE | File Based Encryption |
| FDE | Full Disk Encryption |
| FDEAL | Fast Data Encipherment ALgorithm |
| FEDCM | Federated Credential Management |
| FEDS | Flexible Encryption of Data Stores |
| FEMA | Federal Emergency Mangement Agency |
| FESAGS | Firearm Explosive Security Agencies and Guard Section |
| FESAGS | Firearms and Explosives Security Agencies and Guard Supervision |
| FESAGS | Firearms Explosives and Security Agency Group Services |
| FESAGS | Firearms Explosives Security Agencies and Guard Supervision |
| FESAGS | Firearms Explosives Security Agencies and Guards Section |
| FESAGS | Firearms Explosives Security Agencies and Guards Services |
| FFSEM | Feistel Finite Set Encryption Mode |