Glossary

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.

polymorphic

Polymorphic malicious code generates functionally equivalent but distinct copies of itself when it replicates, in the hopes that pattern matching security tools won't be capable of detecting it, as there is little or no stable pattern of code to match against.