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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Another method of maintaining cybersecurity is a bit more rigid. Michael Butler, Miami Herald, 30 July 2026 Fortinet — The cybersecurity stock soared 12% as strong second-quarter billings helped the company to outpace analyst estimates. Michelle Fox, CNBC, 30 July 2026 Anthropic, a leading AI firm, said one of its cybersecurity products, Mythos, was too dangerous to release for general use. Kamal Ahmed, Fortune, 30 July 2026 But in 2018, cybersecurity researchers discovered two vulnerabilities, dubbed Meltdown and Spectre, in the technique. Chetan Jaiswal, The Conversation, 30 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 31 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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