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
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.
Throughout the history of computing, every major technological advancement has required stronger cybersecurity, not weaker cybersecurity. Emil Sayegh, Forbes.com, 23 July 2026 The larger draft bipartisan Great American AI Act would set a rulebook for AI companies, including standards for cybersecurity, the workforce, education, research, and international cooperation. Victoria Baeza Garcia, The Washington Examiner, 23 July 2026 On Tuesday, Intel's foundry division landed a deal with cybersecurity firm Fortinet to produce its next-generation security chips. Natasha Abellard, CNBC, 23 July 2026 Traffic generated by agents that actually take action on the web, like clicking links and filling out forms, grew 7,851% year over year, according to cybersecurity firm HUMAN Security’s 2026 State of AI Traffic & Cyberthreat Benchmark Report. Mia Osmonbekov, Fortune, 23 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

Browse Nearby Words

Cite this Entry

“Cybersecurity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cybersecurity. Accessed 25 Jul. 2026.

Legal Definition

cybersecurity

noun
: measures taken to protect a computer or computer system (as on the Internet) against unauthorized access or attack
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!