Cyberattack

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun

1
An attack or intrusion by means of a computer network such as the Internet, often for the purpose of spying. countable, uncountable
"He also points out that if the US does come under cyberattack, we may be powerless to stop the attack."

Verb

1
To launch a cyberattack.
"A study by security company Riptech found that in the six months after the Sept. 11 terrorist attacks, energy companies were cyberattacked at twice the rate of other industries surveyed."

Antonyms

Example

"The cyberattack affected hospitals, banks and companies around the world this year."

Etymology

From cyber- + attack.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.