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.

denial of service DoS attack

A type of attack in which a user or program takes up all of the system resources by launching a multitude of requests, leaving no resources and thereby denying service to other users. Typically, denial of service attacks are aimed at bandwidth control.