cybersecurity
Americannoun
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precautions taken to guard against crime that involves the internet, especially unauthorized access to computer systems and data connected to the internet.
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the state of being protected against such crime.
noun
Etymology
Origin of cybersecurity
First recorded in 1985–90; cyber- ( def. ) + security ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
However, the governor’s office noted that state-by-state cybersecurity efforts are less effective than a coordinated federal response.
From Los Angeles Times ● Aug. 9, 2026
In response to the attacks, a bipartisan group of lawmakers last week urged the restoration of federal funding for Department of Homeland Security programs designed to coordinate multi-state cybersecurity efforts.
From Los Angeles Times ● Aug. 9, 2026
Online city services and internal operations remained temporarily unavailable as of Sunday morning while cybersecurity experts investigate the incident and work to restore systems.
From Los Angeles Times ● Aug. 9, 2026
George, the mayor, estimated that creating and staffing one, along with the necessary cybersecurity infrastructure, would require roughly a 24% property-tax increase in the first year.
From The Wall Street Journal ● Aug. 8, 2026
Meta said one of its AI models accessed the internet and hacked a third-party service during a cybersecurity test.
From The Wall Street Journal ● Aug. 7, 2026
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
