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.
Why Cyber Budgets Don’t Equal Better Outcomes Lack of investment in cybersecurity is not the issue. James Hadley, Forbes.com, 23 Jan. 2026 This stock has differentiated itself from the rest of the cybersecurity cohort, including Club holding Palo Alto Networks. Paulina Likos,morgan Chittum, CNBC, 22 Jan. 2026 The launch comes as enterprises expand AI use across borders and face rising pressure from regulators, cybersecurity threats, and emerging quantum computing risks. Aamir Khollam, Interesting Engineering, 22 Jan. 2026 The company has about 70 local cybersecurity employees in Charlotte, most of whom were hired over the past several months. Charlotte Observer, 21 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 24 Jan. 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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