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.

FCL file change log

A repository to track changes made to files in a file system. It can also contain information about file accesses (such as opens, reads, and writes) and I/O activity. FCL data is used in file placement policies to evaluate a file's activity level (access history and I/O temperature).