Computer worm
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A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers. It often uses a computer network to spread itself, relying on security failures o
Hex dump of the Blaster worm, showing a message left for Microsoft CEO Bill Gates by the worm's creator
Morris worm
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The Morris worm or Internet worm of November 2, 1988, was a malicious self-replicating computer program that affected VAX computers and SUN-3 workstations running the 4.2 and 4.3 Berkeley UNIX code. I
Computer worm
…modify files on a targeted computer. Many worms are designed only to spread, and do not attempt to change the systems they pass through. However, as the Morris worm and Mydoom showed, even these "payload-free" worms can cause major disruption by increasing network traffic and other unintended effects. The first…
Floppy disk containing the source code for the Morris Worm, at the Computer History Museum