- 0-day exploit - 10BASE-T - Accelerated Graphics Port - ActiveX - Adobe Illustrator - Adobe Photoshop - Advanced Research Projects Agency Network - Advanced Technology Attachment - Adware - Adware Networks - AFK - Alias - American Standard Code for Information Interchange - Anchor - Anonymous FTP - API - Applet - Application - Application Programming Interface - Application Protection - ASAP - Ascii File - Authentication - Avatar - Backbone - Backdoor Santas - Basic Input Output System - BBL - Binary - Binary File |