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.
The investigation will be led by the Australian Signals Directorate, the country's cybersecurity agency.
From BBC ● Sep. 23, 2026
But he is also training cybersecurity professionals to spot scams and seeking paid speaking engagements.
From The Wall Street Journal ● Sep. 22, 2026
More than 60 have been approved, in fields including respiratory care, cybersecurity and water resource management.
From Los Angeles Times ● Sep. 19, 2026
He said news of the cyberattack "worm" that could hack into WeChat may in fact be "a good thing: identifying the issue, solving it, and patching the loophole ultimately benefits the advancement of cybersecurity".
From Barron's
More than 100 organizations around the world, including OpenAI and Anthropic, have signed an open letter calling for a global effort to "strengthen cyber defenses" against AI-powered cybersecurity threats.
From Barron's
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.