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

At Jerome Powell’s House testimony in June 2025, there were questions on monetary policy, but also some on housing, digital assets and cybersecurity.

From MarketWatch ● Jul. 10, 2026

“I love taking pride in our yard,” wrote one commenter who works in cybersecurity.

From The Wall Street Journal ● Jul. 9, 2026

The FPC also highlighted the risks posed by new AI models such as Anthropic’s Mythos and those being developed in China, which can find cybersecurity bugs in companies’ systems.

From The Wall Street Journal ● Jul. 7, 2026

New Zealand’s government has faced resistance from industry groups over a proposal to fine critical-infrastructure companies and their directors for cybersecurity breaches.

From The Wall Street Journal ● Jul. 4, 2026

Just four days ago, the company said it had received authorization from the government to allow a small group of American cybersecurity firms to access Mythos 5.

From Barron's ● Jul. 1, 2026