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

The cybersecurity personnel use the site’s World War II-era hangars for lab space, storage, warehousing and administration needs. San Diego Union-Tribune, "Navy will consider ‘Grand Central Station’ in redevelopment of Point Loma base," 10 July 2019 In addition to highlighting her ability to work across the aisle, Klobuchar will focus on bipartisan concerns, like cybersecurity. Samantha Leach, Glamour, "What to Expect From the Six Female Candidates Taking the Stage at the Democratic Debates," 26 June 2019 Wasn’t Accel also an investor in cybersecurity CrowdStrike, which recently had a wildly successful IPO? Polina Marinova, Fortune, "Term Sheet -- Thursday, June 20," 20 June 2019 And the Legislature included $2.8 million toward cybersecurity efforts for the budget year that begins July 1. Gray Rohrer,, "Gov. DeSantis to put more money into election cybersecurity efforts," 17 June 2019 Careers in cybersecurity are among those most in demand by employers. Cynthia Blahnik, Detroit Free Press, "Wanted: More Michiganders to explore new frontier of cybersecurity careers," 14 June 2019 The group of Stanford researchers includes people with expertise in cybersecurity, a law professor and a former president of Estonia, Toomas Ilves, as well as Eileen Donahoe, a former U.S. ambassador to the United Nations Human Rights Council. David Ingram, NBC News, "They watched Russia try to sway voters in 2016. Now, they have 45 ideas to avoid a repeat," 6 June 2019 Moavero, who joined Proven Data soon after Storfer left, also had no background in cybersecurity. Renee Dudley, ProPublica, "The Trade Secret Firms That Promised High-Tech Ransomware Solutions Almost Always Just Pay the Hackers," 15 May 2019 Meanwhile, Iranian hackers have stepped up their targeting of U.S. public and private sector computer networks, according to cybersecurity firms. William Branigin, The Denver Post, "Trump signs order imposing new sanctions on Iran, warns U.S. “restraint” is limited," 24 June 2019

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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Statistics for cybersecurity

Last Updated

13 Jul 2019

Look-up Popularity

Time Traveler for cybersecurity

The first known use of cybersecurity was in 1989

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More Definitions for cybersecurity


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

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