computer virus

American  

noun

1. virus.

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computer virus Cultural  

1. A program that enters a computer usually without the knowledge of the operator. Some viruses are mild and only cause messages to appear on the screen, but others are destructive and can wipe out the computer's memory or cause more severe damage.

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The creation of computer viruses can be part of cyberwarfare.

Computer viruses spread from machine to machine on disks or, more commonly, over the Internet.

Etymology

Origin of computer virus

First recorded in 1985–90

Example Sentences

Mountain View Hospital, also located in Idaho Falls, was similarly affected by the computer virus, officials said.

From Seattle Times • Jun. 1, 2023

A decade ago, there were reports of a co-ordinated US-Israeli attack involving the use of the Stuxnet computer virus to disrupt the Iranian nuclear programme.

From BBC • Nov. 22, 2021

Maybe the computer virus will bring the whole system down, or maybe bring it to heel.

From Los Angeles Times • Nov. 10, 2021

The computer virus Stuxnet, which is widely believed to have been developed by the United States and Israel, was discovered in 2010 after it was used to attack a uranium enrichment facility in Iran.

From Reuters • Oct. 26, 2021

A computer virus was the perfect piece of sabotage: invisible and instantaneous.

From "Stormbreaker" by Anthony Horowitz