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

Manke will report to Chairman and CEO Kathy Bolhous and oversee enterprise systems, data and analytics, cybersecurity, and digital. — John Kell, Fortune, 30 Sep. 2026

Rogers was already on the Inspector General’s radar, and the Fed’s cybersecurity team had concerns about Rogers’ travel to China and his relationship with Lee. — Eamon Javers, CNBC, 30 Sep. 2026

More cybersecurity incidents soon came to light at OpenAI, Anthropic, Meta, and Google. — Hayden Field, The Verge, 30 Sep. 2026

The projects included work on cybersecurity and artificial intelligence. — ABC News, 30 Sep. 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