cybersecurity

noun

: measures taken to protect a computer or computer system (as on the Internet) against unauthorized access or attack

Examples of cybersecurity 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.
In early October, Colombia appointed Tania Gilinski Bacal as its ambassador to Israel and tasked her with strengthening trade ties and cooperation on security, intelligence, cybersecurity and information sharing. — ABC News, 14 Oct. 2026 About 700 French supermarkets were affected, with one chain reporting losses of tens of millions of euros in a day; Dutch stores also faced a separate cybersecurity incident disrupting deliveries. — John Leicester, Los Angeles Times, 14 Oct. 2026 As is now the norm, basic cybersecurity would have prevented it. — Dan Goodin, ArsTechnica, 14 Oct. 2026 Lescure, the French Economy Minister, allayed fears of the risk of food shortages in the country – but called on providers to bolster their cybersecurity measures. — Sana Noor Haq, CNN Money, 14 Oct. 2026 See All Example Sentences for cybersecurity

Word History

First Known Use

1989, in the meaning defined above

Time Traveler
The first known use of cybersecurity was in 1989

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Cite this Entry

“Cybersecurity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cybersecurity. Accessed 20 Oct. 2026.

Legal Definition

cybersecurity

noun
: measures taken to protect a computer or computer system (as on the Internet) against unauthorized access or attack
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