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

Thirty‑one percent of respondents cite cybersecurity and privacy concerns as a main challenge, followed by anxiety over data output quality (23%), unready business processes (22%), and technology infrastructure limitations (22%). —Nick Lichtenberg, Fortune, 9 Dec. 2025

Take cybersecurity as an example. —Thomas Wright, The Atlantic, 8 Dec. 2025

The interior ministry said the app failed all 15 indicators in cybersecurity tests conducted by the National Security Bureau. —Lim Hui Jie, CNBC, 5 Dec. 2025

The ban comes amid growing alarm among governments worldwide over cybersecurity vulnerabilities and disinformation campaigns associated with Chinese apps like Xiaohongshu and TikTok that have gained global popularity. —John Liu, CNN Money, 5 Dec. 2025

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