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

For a screen of cybersecurity stocks, we began by putting together a list of companies held by three industry-focused exchange-traded funds.

From MarketWatch • May 23, 2026

"This works similar to a normal camera, the difference being that in our case, radio waves instead of light waves are used for the recognition," explains the cybersecurity expert.

From Science Daily • May 23, 2026

Cyber Command – the military nerve center for cybersecurity – partnered to launch what was initially called the Russia Small Group, a task force to guard U.S. election infrastructure against Russian interference.

From Salon • May 21, 2026

Cloudflare said earlier this month that it was cutting about 1,100 jobs as the cybersecurity company focuses on roles that can directly benefit from AI usage.

From Barron's • May 20, 2026

Since then, the relationship has improved, including after Anthropic has repeatedly met with administration officials about its Mythos model, which it released to a select group of companies because of potential cybersecurity risks.

From The Wall Street Journal • May 20, 2026