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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Furthermore, strong cybersecurity protection—including collaboration with governments and adherence to evolving regulations like DORA, NIS 2 and CRA—is paramount to maintaining trust. Dirk-Peter Van Leeuwen, Forbes.com, 5 Aug. 2025 Drawing on exclusive data sourced from North Korean computers, court records and interviews with cybersecurity experts and US officials, a CNN investigation revealed the full scope of this scheme. Jade Walker, CNN Money, 5 Aug. 2025 Micron Technology, for instance, failed a cybersecurity review in 2023 and was subsequently blocked from critical IT infrastructure. Dylan Butts, CNBC, 4 Aug. 2025 North Koreans are increasingly infiltrating US companies through remote work, with incidents rising more than 220% in the last year, according to cybersecurity vendor CrowdStrike. PC Magazine, 4 Aug. 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 20 Aug. 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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