cybersecurity

noun

: 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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The insurer also offers coverage like cybersecurity insurance. Liz Knueven, CNBC, 16 July 2026 Yet the transition also introduces new challenges involving data quality, cybersecurity, algorithmic accountability, and adaptive criminal behavior. IEEE Spectrum, 16 July 2026 Carr, who was hired in May, most recently worked at a cybersecurity company called Cybereason. Karen Kucher, San Diego Union-Tribune, 15 July 2026 The order stopped short of mandating that the government conduct safety evaluations and cybersecurity testing for advanced AI products. Joey Garrison, USA Today, 15 July 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 20 Jul. 2026.

Legal Definition

cybersecurity

noun
: measures taken to protect a computer or computer system (as on the Internet) against unauthorized access or attack
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