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
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Kevin Collier Kevin Collier is a reporter covering cybersecurity, privacy and technology policy for NBC News. Kevin Collier, NBC news, 26 Mar. 2025 The Wiretap is your weekly digest of cybersecurity, internet privacy and surveillance news. Thomas Brewster, Forbes, 25 Mar. 2025 Some methods of hijacking smartphones don't even even require direct access to the device, Jake Moore, a global cybersecurity advisor at the software and cybersecurity firm ESET, told CBS News. Joanne Stocker, CBS News, 25 Mar. 2025 There has been a slight uptick in recent weeks — Google’s $32 billion bid for Wiz, the cybersecurity start-up, is the search giant’s biggest ever — but the underlying trend doesn’t look especially promising. Andrew Ross Sorkin, New York Times, 25 Mar. 2025 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 7 Apr. 2025.

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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