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

Risk Orchestration This must integrate enterprise risk management, AI governance, quantum risk, cybersecurity, privacy, digital identity, resilience, regulatory compliance, ethics, third-party risk and human oversight. — Ingrid Vasiliu Feltes, Forbes.com, 16 Sep. 2026

The leaders of America’s largest transit systems say there are common problems that plague them all, including riders who do not pay their fare on trains and buses, cybersecurity threats and a need to modernize systems. — Tia Mitchell, AJC.com, 16 Sep. 2026

Anthropic has previously worked with METR and recently asked it to review cybersecurity evaluation incidents involving Claude. — Barbara Booth, CNBC, 16 Sep. 2026

The United States could use AI to gain a cybersecurity or espionage advantage over China, or the technology could be used to launch a propaganda war against the party, Chen argued. — David Goldman, CNN Money, 15 Sep. 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