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

Magoon said expectations may have become too high in cybersecurity, and with a crowding effect among investors, solid results were not enough to to push stocks higher. —Krysta Escobar, CNBC, 19 Apr. 2026

Still, the company brought in a third-party cybersecurity firm to conduct a forensic investigation of the entire W2Copy network and no breach was found, the company said. —Jason Henry, Daily News, 18 Apr. 2026

Bengio is urging far greater international coordination in response to the fresh cybersecurity risks, including the creation of a regulatory body similar to the Food and Drug Administration to oversee the development and deployment of advanced AI systems. —Beatrice Nolan, Fortune, 17 Apr. 2026

Yet the cybersecurity community remains split on the true severity of the threat. —Chris Stokel-Walker, Scientific American, 17 Apr. 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