What is a Computer Worm?

By Denise | March 14, 2016

Worms are a form of malware that replicates across the Internet or local networks.

Worms differ from computer viruses because they can propagate themselves, rather than using a carrier program or file. They simply create copies of themselves and use communication between computers to spread.

The Conficker worm is an example of a computer worm that exploits a system vulnerability to infect machines over the network. Such worms are capable of spreading very rapidly, infecting large numbers of machines.

Some worms open a “back door” on the computer, allowing hackers to take control of it. Such computers can then be used to send spam mail.

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