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.


Measures the skill level required to remove the threat from a given computer. Removal sometimes involves deleting files and modifying registry entries. The three levels are Difficult/High (requires an experienced technician), Moderate/Medium (requires some expertise), and Easy/Low (requires little or no expertise).