
86 Chapter 3 • Understanding the Risks Associated with Mobile Code
Identifying Common
Forms of Mobile Code
Mobile code is defined as any code that travels through a network to be
executed on a computer, either on a browser or in an e-mail message.
There are basically four types of mobile code: macro languages, such as
Visual Basic for Applications (VBA); embedded scripts, such as JavaScript
and VBScript; Java Applets; and ActiveX controls.The remainder of this
chapter will discuss the various security issues with each of these, and
precautions against these security threats.
Mobile code is very different from attachments you may receive as
part of e-mail ...