noun
a network of private computers infected with malicious software and controlled as a group without the owners' knowledge, e.g., to send spam messages
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A botnet is a network of private computers infected with malicious software and controlled as a group without the owners' knowledge.
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I heard that a botnet was used to launch a massive cyber attack on that company.
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That hacker used a botnet to take down the website, what a sneaky move!
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The spread of misinformation online can be compared to a botnet, with false information infecting minds like a virus.