The IT Law Wiki


A virus signature is

an algorithm or hash that uniquely identifies a specific virus. A virus signature is like a fingerprint in that it can be used to detect and identify specific viruses. Anti-virus software uses the virus signature to scan for the presence of malicious code.[1]
[a]lterations to files or applications indicating the presence of a virus, detectable by virus scanning software.[2]


  1. Home Computer Security - Glossary (full-text).
  2. Practices for Securing Critical Information Assets, Glossary, at 59.

See also[]