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 result still matters because cybersecurity demands several forms of technical reasoning. — Aamir Khollam, Interesting Engineering, 3 Sep. 2026 Hugging Face — the AI company at the center of a hacking incident earlier this year that raised cybersecurity concerns — has exploded in popularity, now boasting 18 million users, providing an open-source hub for collaborative machine learning. — Jake Angelo, semafor.com, 3 Sep. 2026 The 62-year-old senior correspondent covering aviation, space and NASA, economics and cybersecurity was called out at the end of the segment about Labor Day travel by co-host Craig Melvin. — Rachel McRady, PEOPLE, 3 Sep. 2026 For example, OpenAI said, Astra achieved a higher score using fewer output tokens, a common unit of measurement for AI tasks, on a key cybersecurity test called ExploitGym. — Jared Perlo, NBC news, 3 Sep. 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

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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 4 Sep. 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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