cyberattack

noun

cy·​ber·​at·​tack ˈsī-bər-ə-ˌtak How to pronounce cyberattack (audio)
plural cyberattacks
: an attempt to gain illegal access to a computer or computer system for the purpose of causing damage or harm
An undermine-first strategy allows the United States government to intrude into adversaries' systems, exploiting this covert access to gather intelligence and occasionally to deliver a destructive cyberattack.Joshua A. Kroll
If your data is valuable enough, there is almost nothing you can do to provide total security against an expert adversary. Simply put, the attacker may be smarter than anyone you have defending the network. Cyberattacks are not only impossible to block, they're often difficult to detect; you may not even know you're under attack in the first place.Robert W. Lucky
cyberattacker noun
plural cyberattackers
Cyberattackers constantly evolve their skills and will always find new ways to attack—it's not a question of "if," but of "when." Eileen Dignen

Examples of cyberattack in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Remove your personal data from people-search sites: Even if hackers don't directly target you through the Secure Boot flaw, many cyberattacks begin by gathering personal information that's easily found online. Kurt Knutsson, FOXNews.com, 11 July 2025 In the story, a wave of cyberattacks collapses infrastructure, sparks global conflict and pushes civilization to the edge. Emil Sayegh, Forbes.com, 6 July 2025 In Zero Day, De Niro’s George Mullen is an old-school politician who, acting on sensibilities developed during a much different time in American history, expects the American people to willingly surrender some of their civil liberties while his commission investigates the nationwide cyberattack. Katie Campione, Deadline, 4 July 2025 Whether a hurricane, a trans-Pacific cable cut, or cyberattack, purpose crystalized. Anne Chow, Fortune, 2 July 2025 See All Example Sentences for cyberattack

Word History

First Known Use

1996, in the meaning defined above

Time Traveler
The first known use of cyberattack was in 1996

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Cite this Entry

“Cyberattack.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyberattack. Accessed 20 Jul. 2025.

Last Updated: - Updated example sentences
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