Software that is transmitted from a host to a client (that is, another computer) so that it can be executed, or run. A virus and a worm are two common types of malicious mobile code. Applets that are embedded in Web sites to perform some computation on behalf of the user (such as a stock tracker) are examples of nonmalicious mobile code.
Symantec Security Response. Glossary. [Online, July 15, 2004.] Symantec Security Response Website. http://securityresponse.symantec.com/avcenter/refa.html.