cybersecurity

noun

cy·​ber·​se·​cu·​ri·​ty ˈsī-bər-si-ˌkyu̇r-ə-tē How to pronounce cybersecurity (audio)
: 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.
The chief technology officer oversees the department’s technological needs, from computers and software to rail technology and cybersecurity. Sacbee.com, 29 Jan. 2026 ServiceNow shares sank 9% despite a strong quarter, and its enterprise software companies need to manage their AI integration and cybersecurity in a centralized way. Jim Cramer, CNBC, 29 Jan. 2026 The research suggests that the cat-and-mouse game of cybersecurity is no longer constrained by cost. Sharon Goldman, Fortune, 29 Jan. 2026 For cybersecurity firm SentinelOne, consolidation mattered. Geri Stengel, Forbes.com, 29 Jan. 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 1 Feb. 2026.

Legal Definition

cybersecurity

noun
cy·​ber·​se·​cu·​ri·​ty ˈsī-bər-si-ˈkyu̇r-ə-tē How to pronounce cybersecurity (audio)
: measures taken to protect a computer or computer system (as on the Internet) against unauthorized access or attack
Last Updated: - Updated example sentences
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