Worm
N/A
蠕虫病毒
Worm · N/A · 蠕虫病毒 · wurm · network worm · self-replicating malware · Cybersecurity · malware · network · threatsCybersecuritynetwork worm self-replicating malware/wurm/
Also known as: network worm, self-replicating malware
Last updated August 9, 2026
Definition
A worm is malware that spreads itself across networks or removable media with little or no user action — unlike many viruses that need a host file.
Real-World Example
A worm that emails copies of itself to everyone in a contact list can flood a whole organization quickly.
References
Related terms
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