Glossary

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.

VM virtual machine

An environment (usually a program or an operating system) that does not physically exist but is created within another environment. In this context, a virtual machine is called a guest. The environment it runs within is called a host.