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.

---

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

See Examples For:

cybersecurity

The U.S. government has invested $150 million over the past decade to expand apprenticeships, of which $100 million is put toward cybersecurity, AI and healthcare.

From The Wall Street Journal ● Aug. 22, 2026

But the two countries, which in June signed an enhanced cooperation agreement regarding military mobility, logistics, Baltic Sea security, and cybersecurity, emphasise such cooperation is necessary to ensure peace.

From Barron's ● Aug. 21, 2026

Those much higher payments help support emergency departments, trauma centers, neonatal intensive-care units, behavioral-health programs, teaching hospitals and rural facilities, as well as investment in technology, cybersecurity and emergency preparedness.

From The Wall Street Journal ● Aug. 20, 2026

Lee noted that cybersecurity is emerging as a bigger part of the story for the company, and he has been impressed with the work and vision of Yevgeny Dibrov, who now leads ServiceNow’s cybersecurity efforts.

From MarketWatch ● Aug. 19, 2026

Attorneys general from Iowa, Arkansas, and Missouri had sought an injunction against the EPA to stop them from ordering states to evaluate their water utilities’ cybersecurity operational technology when they conducted inspections.

From Slate ● Aug. 19, 2026