cy·​ber·​se·​cu·​ri·​ty | \ ˈsī-bər-si-ˌkyu̇r-ə-tē How to pronounce cybersecurity (audio) \

Definition of cybersecurity

: 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

President Barack Obama also issued national emergencies in response to African conflicts like Somali piracy, as well as taking on Chinese cybersecurity threats and Russia after the invasion of Crimea in Ukraine. Lucy Diavolo, Teen Vogue, "Donald Trump Is Threatening to Declare a National Emergency to Get Border Wall Funding. Here's Why He Shouldn’t.," 11 Jan. 2019 Democrats have maintained that the cybersecurity experts simply reviewed the websites and did not attempt to hack the state’s registration system. P.r. Lockhart, Vox, "The last-minute hacking allegations in the Georgia governor race, explained," 5 Nov. 2018 Many longtime hackers have been drawn into the open by corporate demands, or have traded their anonymity for public roles as high-level cybersecurity experts. Recode Staff, Recode, "Recode Daily: Is the podcast bubble bursting?," 24 Sep. 2018 In August 2016, a 29-year-old federally employed former cybersecurity researcher named Logan Lamb wrote a script to search the Kennesaw State University's Center for Election Systems. Cyrus Farivar, Ars Technica, "Georgia says switching back to all-paper voting is logistically impossible," 12 Sep. 2018 Forbes reports the cybersecurity expert as saying the satellite-link flaws enabled him to tap into cargo ships and oil tankers. Fox News, "Black Hat hacker says he accessed 'hundreds' of aircraft already in the sky," 13 Aug. 2018 However, internet users in other states will likely see changes, said Cynthia Larose, a cybersecurity expert at the law firm Mintz Levin. Washington Post, "Sweeping data privacy bill approved in California," 29 June 2018 Buzz60 Top cybersecurity experts would never hang car keys on a hook near the back door or leave them sitting on a kitchen counter. Phoebe Wall Howard, USA TODAY, "Storing car keys inside a metal coffee can thwarts hack attacks," 1 June 2018 Anna's mom, Srividhya Gopalan, is the director of engineering at a cybersecurity company. CBS News, "Inside Basis, the acclaimed school network behind the country's leading high schools," 2 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cybersecurity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cybersecurity

1989, in the meaning defined above

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Last Updated

23 Feb 2019

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The first known use of cybersecurity was in 1989

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cy·​ber·​se·​cu·​ri·​ty | \ ˈsī-bər-si-ˈkyu̇r-ə-tē How to pronounce cybersecurity (audio) \

Legal Definition of cybersecurity

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

Comments on cybersecurity

What made you want to look up cybersecurity? Please tell us where you read or heard it (including the quote, if possible).


grandiloquent, ostentatious, or bombastic

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