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

Even sophisticated companies that spend heavily on cybersecurity remain vulnerable, Kurtz said, because AI is dramatically accelerating the speed at which attackers can identify and exploit weaknesses. — Alexa Lomonaco, CNBC, 27 Aug. 2026

Add Caregility virtual care, telemetry, licensing, endpoint technology, cabling, and cybersecurity infrastructure as Magnolia Regional Medical Center joins the Baptist Health system. — Arkansas Democrat-Gazette, Arkansas Online, 27 Aug. 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