Malware
Computer worm
Computer worm
Standalone malware capable of spreading automatically from one device to another.
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MIGHT YOU BE AFFECTED?
Turn knowledge into action.
How does this work?
It exploits a vulnerability or network share without requiring a file to be opened repeatedly.
REAL-WORLD EXAMPLE
« An unpatched workstation is infected and automatically attacks other machines on the network. »
Typical sequence
- 1Exploit a vulnerability
- 2Copy itself automatically
- 3Spread rapidly
Warning signs
- Abnormal network traffic
- Multiple devices affected
- Services restarting
How to protect yourself
- Update systems
- Segment the network
- Filter unnecessary services
If you think you are affected
Stop the affected activity, isolate exposed devices or accounts, preserve evidence, revoke suspicious access and contact the appropriate security professional.
Last updated: 6 September 2026