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 months, election officials have worked across party and state lines with nonprofits and technology companies to build alternative channels for sharing intelligence and cybersecurity support. — Sarah D. Wire, USA Today, 28 June 2026

With how rapidly healthcare organizations are relying on AI applications, data federation and new tools that are being intricately weaved through core data streams, the number of cybersecurity incidents is sure to increase in the coming decade. — Forbes.com, 27 June 2026

Mythos 5, which is a version of Fable 5 without some of the safeguards, was scheduled to be released to a more limited group of institutions for cybersecurity purposes, an invite-only initiative called Project Glasswing. — Josh Wingrove, Fortune, 27 June 2026

Quantum computing poses potential benefits for the academic and business worlds, but also raises cybersecurity concerns, as it could be used to crack security codes that protect computers from hacking. — Donald Keough, Christian Science Monitor, 27 June 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