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

It was interpreted by many observers as an effort to define long-term cybersecurity direction before the change in administration. —Emil Sayegh, Forbes.com, 7 June 2025

His seventh and last child, daughter Love Sean Combs, was born in October 2022 with model and cybersecurity specialist Dana Tran. —Patrick Ryan, USA Today, 6 June 2025

Kevin Collier Kevin Collier is a reporter covering cybersecurity, privacy and technology policy for NBC News. —Kevin Collier, NBC news, 5 June 2025

In January, cybersecurity vendor CloudSEK also discovered an attacker using a Trojan builder called XWorm on GitHub to secretly infect other newbie hackers. —Michael Kan, PC Magazine, 4 June 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