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.


An account in Windows NT User Manager that contains other accounts, which are called members. Permissions and rights granted to a group are also provided to its members, making groups a convenient way to grant common capabilities to collections of user accounts.

A class or collection of network objects. Groups are useful for a number of different purposes such as meeting certain availability and redundancy requirements, or for administrative or tracking purposes. The product supports two different types of groups: custom groups (user-defined collections of objects) and application groups (collections of objects determined by their common dependency on a specific application).