Malware
Botnet
Botnet
A network of infected devices remotely controlled by an attacker.
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MIGHT YOU BE AFFECTED?
Turn knowledge into action.
How does this work?
Each compromised device contacts command infrastructure for instructions such as denial of service, spam, fraud, data theft or malware distribution.
REAL-WORLD EXAMPLE
« Poorly secured routers are enrolled and used together to overwhelm a website. »
Typical sequence
- 1Infect many devices
- 2Connect to a command server
- 3Execute coordinated commands
Warning signs
- Unusual repeated outbound traffic
- Device slow or active while idle
- Connections to unknown domains
How to protect yourself
- Change default passwords
- Update computers and connected devices
- Filter and monitor outbound connections
If you think you are affected
Disconnect the equipment, reset or reinstall it from a trusted source, then change its credentials and update firmware before reconnecting.
Last updated: 6 September 2026