computer virus

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vi•rus

(ˈvaɪ rəs)

n., pl. -rus•es.
1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA or DNA core, a protein coat, and, in more complex types, a surrounding envelope.
2. a disease caused by a virus.
3. a corrupting influence on morals or the intellect; poison.
4. a segment of self-replicating code planted illegally in a computer program, often to damage or shut down a system or network.
[1590–1600; < Latin vīrus slime, poison; akin to ooze2]
vi′rus•like`, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.computer virus - a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computercomputer virus - a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer; "a true virus cannot spread to another computer without human assistance"
malevolent program - a computer program designed to have undesirable or harmful effects
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
فيروس كمبيوتر
számítógépes vírus
computervirus
počítačový vírus
References in periodicals archive ?
The first PC virus Brain began infecting 5.2" floppy disks in 1986.
Information security "guru" Mikko Hypponen, Chief Research Officer of F-Secure and best known in the industry as the man who led a team that tracked down the authors of the first PC virus, has revealed that the main sources of cyberattacks are criminals, hacktivists and governments.
Hypponen, who tracked down the authors of the first PC virus ever recorded, was the keynote speakers at the GISEC.
It took until 1986 for these two threads had come together and the first PC virus 'Brain' was born.
SPYRUS, Inc., San Jose, Calif., has announced Hydra PC Virus Protected (ViP) USB encryption drives incorporating antivirus protection from McAfeeR Scan Engine technology.
CA (NYSE:CA), an IT management software company, announced on Wednesday (27 September) that its CA Internet Security Suite 2007 provides up to USD6,500 in protection to customers in the event they are affected by PC virus infections or a victim of identity theft.