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 move was justified along national security lines because of potential cybersecurity vulnerabilities, but also clearly geared toward encouraging companies to produce more robots in the United States. — Jeremy Hsu, ArsTechnica, 20 Aug. 2026 Not to be outdone, Meta later added that one of its models had accessed the internet during a cybersecurity test and exploited a security flaw at an unnamed third-party company. — Beatrice Nolan, Fortune, 20 Aug. 2026 Summary OpenAI disclosed a two-week pause in reinforcement learning training after an unreleased model called Astra could not be ruled out as reaching Critical, the highest cybersecurity risk tier in its Preparedness Framework. — Ashish Bhatia, Forbes.com, 19 Aug. 2026 The agency said advanced robots could pose cybersecurity and other national security risks. — E. Eduardo Castillo, Los Angeles Times, 19 Aug. 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

Rhymes for cybersecurity

See All Rhymes for cybersecurity

Browse Nearby Words

cybersafety
cybersecurity
cybersex
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Cite this Entry

“Cybersecurity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cybersecurity. Accessed 27 Aug. 2026.

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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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