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
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Claude outperforms ChatGPT on virtually every enterprise benchmark that matters from legal reasoning and financial modeling to cybersecurity and legacy systems modernization. Mark Minevich, Fortune, 12 Mar. 2026 Like other ideologically motivated hackers, profit is not Handala’s goal, according to Ismael Valenzuela, vice president of threat intelligence at the cybersecurity company Arctic Wolf. ABC News, 12 Mar. 2026 This development highlights why companies cannot afford to pull back on cybersecurity spending on best-of-breed operators like CrowdStrike and Palo Alto Networks , even when geopolitical tensions create economic uncertainty. Jeff Marks, CNBC, 11 Mar. 2026 Modern combat organizations rely on countless digital applications for intelligence analysis, campaign planning, battle management, communications, logistics, administration and cybersecurity. Jon R. Lindsay, The Conversation, 11 Mar. 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 13 Mar. 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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