8.3. Other Forms of Malware

Malware does not end with viruses. Adware and spyware are other forms of malware that can range from mere annoyances to rather dangerous identity infiltration.

8.3.1. Adware

The term adware refers to any software that displays advertisements, whether or not it does so with the user's consent. Adware applications may display advertisements as an alternative to taking payment. These classify as adware in the sense of advertising-supported software, but not as spyware. For software to be classified as adware, it must not operate covertly or mislead the user, and it should provide the user with a specific product or service.

There is nothing unethical about adware. It is a common and valid business practice for companies ...

Get Enterprise Mac Security: Mac OS X Snow Leopard now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.