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.

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cybersecurity British  

/ ˌsaɪbəˌsɪˈkjʊərɪtɪ /

noun

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

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Etymology

Origin of cybersecurity

First recorded in 1985–90; cyber- ( def. ) + security ( def. )

Example Sentences

Major cybersecurity providers such as CrowdStrike, Palo Alto Networks and Zscaler are down substantially this year after rallying in 2025.

From The Wall Street Journal

Her stories explore all aspects of consumer technology, particularly mobile devices, cybersecurity, health and fitness.

From The Wall Street Journal

For investors looking to buy beaten-down plays, there are opportunities in subsectors, like infrastructure and cybersecurity companies, that analysts say are likely to survive disruption from AI.

From MarketWatch

Berenberg’s Chopra also believes the worries that AI will disrupt cybersecurity companies are “unfounded” despite the fact that the subsector has been pulled into the broader selloff.

From MarketWatch

“AI is deeply embedded in the upsell momentum for cybersecurity vendors” he said.

From MarketWatch