A computer worm is a type of malware that spreads from computer to computer across a network. It can duplicate itself without user interaction and can spread to other computers by exploiting vulnerabilities in their software. Worms often deliver a payload, such as a virus or other malicious software, which can damage the computer or steal data.
Worms have been around for decades and have caused significant damage to computer systems worldwide. One of the most famous worms was the Morris worm, which infected over 6,000 computers in 1988. Worms continue to be a threat today, and new worms are constantly being developed.