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

That concern is now being played out through Adobe, as another analyst downgraded the stock while at the same time upgrading shares of a cybersecurity player.

From MarketWatch • Apr. 27, 2026

On the same day of his Adobe downgrade, Moskowitz turned more bullish on what he said could be a cybersecurity winner.

From MarketWatch • Apr. 27, 2026

In cybersecurity, “you have a subindustry within software that has a very significant tailwind at its back,” said Scott Caraher, head of senior loans at Nuveen.

From The Wall Street Journal • Apr. 26, 2026

The fate of cybersecurity software is a source of debate among investors.

From The Wall Street Journal • Apr. 26, 2026

Some companies, such as Palo Alto Networks and CrowdStrike, have partnered with Anthropic on the company’s Project Glasswing cybersecurity initiative.

From Barron's • Apr. 23, 2026