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

The European Union’s executive arm said that it’s assessing Anthropic’s statement and is continuing to talk to allies about the potential risks and cybersecurity concerns related to powerful new AI models.

From Los Angeles Times • Jun. 14, 2026

Friday’s halt will pause those efforts and could have far-reaching implications on cybersecurity depending on how long it lasts.

From The Wall Street Journal • Jun. 13, 2026

Investors feel comfortable with a relatively small set of AI winners in data and cybersecurity applications.

From Barron's • Jun. 12, 2026

The payments giant participated in Anthropic’s Project Glasswing cybersecurity initiative, which released a preview of its security-focused Mythos model to select companies in April.

From The Wall Street Journal • Jun. 10, 2026

Rep. Maxine Waters requested six major U.S. banks disclose plans by July 3 to address cybersecurity risks from advanced AI models like Mythos.

From Barron's • Jun. 9, 2026