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 finding potentially opens a new front in the cybersecurity threats emerging from AI, which have rattled governments and the companies rushing to adopt the technology.
From Barron's ● Oct. 13, 2026
It is a bet that cybersecurity will be even more critical for companies as quantum computing and AI systems become more powerful and advanced, said IonQ Chairman and Chief Executive Niccolo de Masi.
From The Wall Street Journal ● Oct. 12, 2026
While smaller companies may be able to vibe code software for isolated use cases, companies that have major enterprise-scale data, cybersecurity needs and more complex workflows will continue to rely on Salesforce, Liani said.
From MarketWatch ● Oct. 12, 2026
Microsoft CEO Satya Nadella called for stronger AI safeguards, but cybersecurity stocks showed little reaction Monday.
From Barron's ● Oct. 12, 2026
“I didn’t think this was something that could happen to me,” recalled Svoboda, who worked at a cybersecurity company.
From The Wall Street Journal ● Oct. 11, 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.
