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 instance of NetBackup checking its schedules for backups and determining when the jobs are due to run. For user backups and archives, a session usually consists of a single backup or archive.

In communications, the time during which two computers maintain a connection and, usually, are engaged in transferring information.