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.

WAN wide area network

A network that uses links that are provided by local telephone companies and usually connects distant sites. Typically, it extends a local area network (LAN) outside of a building to link to other LANs in remote buildings, possibly in remote cities.