The glossary below contains many of the terms you will find in common use throughout the Symantec Security Response website. Please refer to this list to find definitions of terms and answers to other Internet security-related questions.

API application programming interface

The specific methodology by which a programmer writing an application program can make requests of the operating system or another application.

A set of routines, protocols, and tools for building software applications. A good API makes it easier to develop a program by the developers. Most operating environments provide an API so that programmers can write applications consistent with the operating environment.