cybersecurity

noun

cy·​ber·​se·​cu·​ri·​ty ˈsī-bər-si-ˌkyu̇r-ə-tē 

: measures taken to protect a computer or computer system (as on the Internet) against unauthorized access or attack

Examples of cybersecurity in a Sentence

Recent Examples on the Web

Cybersecurity and software Top picks in cybersecurity and software are Palantir Technologies with a $250 price target and implied upside of 30%, and CrowdStrike — which the analyst assigned a $335 price target signaling a gain of 20%. — Tobias Burns, CNBC, 7 Oct. 2026

And most notably, in 2024, a software update for Microsoft Windows operating systems issued by the cybersecurity firm CrowdStrike brought systems down at businesses around the world. — Alexandra Skores, CNN Money, 6 Oct. 2026

The same is true of high-risk workflows, such as lending, underwriting, trading, pricing, cybersecurity or production changes. — Swati Deepak Kumar, Forbes.com, 6 Oct. 2026

That should start with organizations developing comprehensive cybersecurity plans for their respective threat landscapes. — Arkansas Online, 5 Oct. 2026

Word History

First Known Use

1989, in the meaning defined above

Rhymes for cybersecurity

• biosecurity
• immaturity
• insecurity
• prematurity
• impurity
• maturity
• obscurity
• security
• purity
• surety

Legal Definition

cybersecurity

noun

cy·​ber·​se·​cu·​ri·​ty ˈsī-bər-si-ˈkyu̇r-ə-tē 

: measures taken to protect a computer or computer system (as on the Internet) against unauthorized access or attack