Computer worm

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A computer worm is a self-replicating computer program. It uses a network to send copies of itself to other nodes (computers on the network) and it may do so without any user intervention. Unlike a virus, it does not need to attach itself to an existing program. Worms almost always cause at least some harm to the network, if only by consuming bandwidth, whereas viruses almost always corrupt or devour files on a targeted computer.

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News tagged with computer worms

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Ants vs. worms:  New computer security mimics nature

Ants vs. worms: New computer security mimics nature

Technology / Computer Sciences

created Sep 25, 2009 | popularity 3.4 / 5 (13) | comments 2

In the never-ending battle to protect computer networks from intruders, security experts are deploying a new defense modeled after one of nature's hardiest creatures -- the ant.


Security researchers offer caution on smart grids

Technology / Energy

created Jul 31, 2009 | popularity 5 / 5 (5) | comments 7

(AP) -- The race to build a "smarter" electrical grid could have a dark side. Security experts are starting to show the dangers of equipping homes and businesses with new meters that enable two-way communication with utilities.


Conficker worm hits hospital devices

Technology / Software

created Apr 30, 2009 | popularity 5 / 5 (3) | comments 10

A computer worm that has alarmed security experts around the world has crawled into hundreds of medical devices at dozens of hospitals in the United States and other countries, according to technologists monitoring the threat.


A man downloads a patch from Microsoft's web site to protect his computer from a worm virus

Conficker worm dabbling with mischief

Technology / Internet

created Apr 28, 2009 | popularity 4.5 / 5 (4) | comments 8

The Conficker worm's creators are evidently toying with ways to put the pervasive computer virus to work firing off spam or spreading rogue anti-virus applications called "scareware."


Don't fret about Conficker: Here's what to do

Technology / Software

created Mar 31, 2009 | popularity 5 / 5 (3) | comments 2

(AP) -- The Conficker worm, a nasty computer infection that has poisoned millions of PCs, will start ramping up its efforts Wednesday to use those machines for cybercrimes. It's unclear whether everyday PC users will even ...


Low-cost strategy developed for curbing computer worms

Technology / Computer Sciences

created Jan 13, 2009 | popularity 4.4 / 5 (5) | comments 5

Thanks to an ingenious new strategy devised by researchers at University of California, Davis and Intel Corporation, computer network administrators might soon be able to mount effective, low-cost defenses against self-propagating ...