: a network of computers that have been linked together by malware : a network of bots (see bot entry 1 sense 2b)
Criminals link hijacked personal computers together to form "botnets"—clusters of infected PCs that spammers can control from anywhere in the world.Dave Mosher

Examples of botnet in a Sentence

Recent Examples on the Web
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Traditional botnets often spread through software flaws or weak passwords. Kurt Knutsson, FOXNews.com, 18 July 2026 The actions to date are little more than whack-a-mole exercises as the operators simply replace their botnets with new ones. Dan Goodin, ArsTechnica, 13 July 2026 In response, Google, which develops the Android OS, shut down the Google accounts and services NetNut relied on to control the botnet. Michael Kan, PC Magazine, 2 July 2026 See All Example Sentences for botnet

Word History

Etymology

bot entry 1 + net entry 1

First Known Use

2003, in the meaning defined above

Time Traveler
The first known use of botnet was in 2003

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Cite this Entry

“Botnet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/botnet. Accessed 29 Jul. 2026.

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