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.
-
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.
Shares of cybersecurity companies got swept up in the selling.
From MarketWatch ● Oct. 27, 2026
The office’s work ranged from helping secure events like the Super Bowl to protecting chemical plants to issuing cybersecurity warnings to the private sector and the public.
From Salon ● Oct. 26, 2026
It's not like this solves our cybersecurity problem, but it does change the nature of it going forward.
From Barron's ● Oct. 25, 2026
The threshold of annual recurring revenue that Canadian cybersecurity startup 1Password has now surpassed, up from $400 million in November 2025.
From The Wall Street Journal ● Oct. 23, 2026
The Canadian late-stage cybersecurity startup has surpassed $500 million in annual recurring revenue, up from $400 million in November 2025, with a free cash flow margin in the double digits, the company said.
From The Wall Street Journal ● Oct. 22, 2026
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Get a wordDefinitions 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.
