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

Appeared in the June 11, 2026, print edition as 'AI Shifts Cybersecurity Battle From Finding to Fixing Flaws'.

From The Wall Street Journal • Jun. 10, 2026

A perfect example: Cybersecurity stocks have rebounded quickly from their lows as the market has appreciated that Anthropic’s cyber offering, Mythos, can’t take meaningful market share from the cyber software providers soon.

From Barron's • Jun. 4, 2026

Cybersecurity firm Palo Alto Networks and Mozilla, the organization behind the Firefox internet browser, recently said the model let them find many more software vulnerabilities than they normally would.

From The Wall Street Journal • May 18, 2026

Cybersecurity companies are focusing on securing code at the point of creation, according to Goldman Sachs analyst Gabriela Borges.

From MarketWatch • Apr. 18, 2026

Barr interrogated experts from the Cybersecurity and Infrastructure Security Agency, crammed in beside top FBI officials around a cheap table.

From Salon • Apr. 14, 2026