Which of the following terms is used to describe a program that copies itself repeatedly, using up resources and possibly shutting down the computer or network?

A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers. Often, it uses a computer network to spread itself, relying on security failures on the target computer to access it. Worms almost always cause at least some harm to the network, even if only by consuming bandwidth, whereas viruses almost always corrupt or modify files on a targeted computer. It can also shutdown the computer or network.