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

Beyond The Algorithm Some will argue that post-cyber is simply another label for existing cybersecurity and resilience practices. — Peter Smulovics, Forbes.com, 12 Nov. 2026

The hyperscalers remain foundationally strong, along with cybersecurity companies. — Tobias Burns, CNBC, 11 Nov. 2026

Compusec, a cybersecurity company, is also named as a defendant. — Colin Mixson, New York Daily News, 10 Nov. 2026

Schechtman hopes both employers and cybersecurity companies take regularly sleep-depriving events like DST, holidays, and even primetime sporting events into consideration when advising the public on phishing awareness. — Andrew Paul, Popular Science, 9 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