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.


The part of a network that is administrated by an ESM Console user. An ESM region can contain Managers, domains, Agents, security policies, and a summary database that contains the results of ESM policy runs.

In Symantec Incident Manager, a number between 1 and 5 (inclusive) that rates the overall system impact and certainty that are associated with the incident. 5 is the most serious severity. See also incident.

Contiguous area of storage on a disk. These regions can also be referred to as subdisks.

See Subdisk.