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

For example, a company could require a provider to demonstrate that its cybersecurity software was examined by a particular model rather than a cheaper substitute. — Neetika Walter, Interesting Engineering, 4 Nov. 2026

Helene Rigny | Afp | Getty Images French blood banks were on Monday affected by the recent wave of cybersecurity attacks on European refrigeration systems, the French Blood Establishment confirmed on Wednesday. — Sawdah Bhaimiya, CNBC, 4 Nov. 2026

France’s national cybersecurity agency and the Health Ministry are investigating the incident. — ABC News, 4 Nov. 2026

Taiwan and the United States can work together to increase cybersecurity, establish testing standards, and build reliable manufacturing systems to ensure that AI develops safely and can be trusted by the United States and its allies. — Lin Chia-Lung, Foreign Affairs, 3 Nov. 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