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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This bundle is structured for beginners who already have a basic understanding of IT and cybersecurity fundamentals. Stackcommerce Team, PC Magazine, 26 May 2025 For instance, General Assembly offers Project Forge, a tuition-free training in cybersecurity and data analytics for veterans and their spouses, mentorship, and a pathway to employment. Vicki Salemi, Boston Herald, 25 May 2025 Like it or not, the weakest link in cybersecurity is anything that relies on human input. Kurt Knutsson, FOXNews.com, 24 May 2025 The testing took place in a cybersecurity lab, where the team evaluated Toshiba’s QKD system alongside Ciena’s high-speed encryptor and optical receiver. John Prisco, Forbes.com, 23 May 2025 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 4 Jun. 2025.

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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