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

Point-of-sale systems, once viewed as straightforward tools for processing transactions, now stand at the intersection of commerce, cybersecurity and regulatory scrutiny. —Peter Kellis, Forbes.com, 11 July 2025

Though cybersecurity and data companies have both soared in terms of valuation and expectations in recent years, particularly within the AI boom, Virtru has been a slow burn, long-term story. —Allie Garfinkle, Fortune, 11 July 2025

The most useful detail in the video is the killer’s bag, featuring the logo of cybersecurity company Bridge Data Network. —Louis Peitzman, Vulture, 11 July 2025

The college offers associate and bachelor’s degrees in fields such as business, health care, technology, nursing, social work, early childhood education, criminal justice and cybersecurity. —Staff Report, Hartford Courant, 10 July 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