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cybersecurity

American  
[sahy-ber-si-kyoor-i-tee] / ˌsaɪ bər sɪˈkyʊər ɪ ti /
Or cyber security

noun

  1. precautions taken to guard against crime that involves the internet, especially unauthorized access to computer systems and data connected to the internet.

  2. the state of being protected against such crime.


cybersecurity British  
/ ˌsaɪbəˌsɪˈkjʊərɪtɪ /

noun

  1. computing the state of being safe from electronic crime and the measures taken to achieve this

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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 valuation of Fortinet, a cybersecurity provider, is 40% below its five-year average.

From Barron's

An especially interesting name is Fortinet, a $58 billion provider of cybersecurity software.

From Barron's

That is not only 40% below Fortinet’s five-year average, it is one of the lowest valuations among cybersecurity stocks.

From Barron's

ServiceNow has also ramped up its acquisition strategy recently, announcing plans to buy cybersecurity firm Armis at the end of 2025 to expand its cybersecurity offerings.

From MarketWatch

Analysts expect Akamai’s revenue growth to accelerate, driven by stable content delivery, high single-digit cybersecurity growth, and high-teens growth in compute.

From Barron's