What is a botnet?
A botnet is a collection of computers, connected to the internet, that interact to accomplish some distributed task. Although such a collection of computers can be used for useful and constructive applications, the term botnet typically refers to such a system designed and used for illegal purposes. Such systems are composed of compromised machines that are assimilated without their owner's knowledge. The compromised machines are referred to as drones or zombies, the malicious software running on them as 'bot'.

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1. What is a virus?
2. What is a worm?
3. What is a Trojan horse?
4. More IT FAQ's
5. What is spyware?
6. Why should I protect my Computer?
7. What is a botnet?
8. What does encryption mean?
9. What is a network intrusion?
10. What does a firewall do?
11. What is malicious code?
12. What is a "sniffer?"