cybersecurity

American  

[sahy-ber-si-kyoor-i-tee] / ˌsaɪ bər sɪˈkjʊər 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

See Examples For:

cybersecurity

The same accusation was leveled at Anthropic when it held back the public release of its powerful Mythos model over cybersecurity concerns.

From Barron's ● Jul. 29, 2026

Improving cybersecurity practices such as using two-factor authentication for devices is a start.

From Los Angeles Times ● Jul. 29, 2026

They argued this was needed to prevent disaster for cybersecurity, biological threats and other risky areas.

From The Wall Street Journal ● Jul. 25, 2026

The technology can also help boost cybersecurity at the adviser’s firm and reduce fraud.

From MarketWatch ● Jul. 24, 2026

"It's a very hard research challenge," said Dan Lahav, head of Irregular, a cybersecurity firm dedicated to cutting-edge AI.

From Barron's ● Jul. 24, 2026