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.

---

cybersecurity British  

/ ˌsaɪbəˌsɪˈkjʊərɪtɪ /

noun

1. computing the state of being safe from electronic crime and the measures taken to achieve this

---

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

That model spooked government officials and cybersecurity experts for its potential to find unknown vulnerabilities in software used around the globe.

From The Wall Street Journal • Jun. 11, 2026

The company said it launched an investigation with support from external cybersecurity experts and took certain internal IT systems offline as a precaution.

From The Wall Street Journal • Jun. 11, 2026

What’s Next: Anthropic added that it has launched Fable 5 with safeguards to ensure it can handle cybersecurity risks.

From Barron's • 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