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.
Analysts said before the summit that fears over autonomous AI weapons, cybersecurity and the threat of new AI-designed bioweapons were mutual concerns for Xi and Trump.
From Barron's • May 19, 2026
Investors have come to favor Palo Alto Networks and CrowdStrike, as they are among a small cohort of companies with access to Anthropic’s Mythos cybersecurity model through Project Glasswing.
From MarketWatch • May 18, 2026
The most advanced cybersecurity capabilities in the world are no longer in the hands of the National Security Agency and its foreign counterparts.
From The Wall Street Journal • May 18, 2026
US officials and journalists traveling to China to cover the summit were advised to use phones and laptops that could be wiped or disposed of back home to preserve cybersecurity.
From Barron's • May 15, 2026
Cisco provides products and services in areas such as networking, cybersecurity and remote work.
From Los Angeles Times • May 14, 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.
