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  1. What Is
July 22, 2016updated 07 Feb 2017 11:18am

What is a worm?

The first widely reported worm was the Morris worm in 1988.

By Alexander Sword

A computer worm is a type of malware that infects a computer, replicates and spreads to other computers.

Worms are programmed to use computer networks to send copies of themselves to other computers, meaning that they do not require a cyber criminal’s guidance to spread.

A common function of a worm is to install a ‘backdoor’ on the computer, allowing the worm author to take control of it.

A worm will typically use a computer network in order to spread itself and relies upon security failings in order to access it.

How does a worm cause damage?

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