Spyware and Adware

Spyware is computer software that collects personal information about users without their informed consent. The term Spyware, which was coined in 1995 but wasn't widely used for another five years, is often used interchangeably with adware and malware . Personal information is secretly recorded with a variety of techniques, including logging keystrokes, recording Internet web browsing history, and scanning documents on the computer's hard disk. Purposes range from overtly criminal to the merely annoying . Spyware may collect different types of information. Some variants attempt to track the websites a user visits and then send this information to an advertising agency. More malicious variants attempt to intercept passwords or credit card numbers as a user enters them into a web form or other applications. 

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