Information, Computer and Network Security Terms Glossary and Dictionary

Stealth Virus

A stealth virus is a computer virus that uses various mechanisms to avoid detection by antivirus software. Generally, stealth describes any approach to doing something while avoiding notice. Viruses that escape notice without being specifically designed to do so -- whether because the virus is new, or because the user hasn't updated their antivirus software -- are sometimes described as stealth viruses, too.

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Stealth Virus