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

The platform meets Criminal Justice Information Systems standards set by the FBI and undergoes regular cybersecurity penetration testing, according to the presentation. —Walker Armstrong, San Diego Union-Tribune, 7 Jan. 2026

But a cybersecurity expert with the American Hospital Association has estimated that at least a third of the time, hospitals end up paying a ransom to get information back. —Suzanne King, Kansas City Star, 6 Jan. 2026

The system is secured by LG Shield, which has won CES Innovation Awards for cybersecurity and AI for a second year in a row. —Sujita Sinha, Interesting Engineering, 5 Jan. 2026

The enterprise tech giant Cisco is in advanced discussions to acquire the Israeli cybersecurity firm Axonius, according to a report from Calcalist, the Israeli financial news outlet. —Andrew Nusca, Fortune, 5 Jan. 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