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Privacy Defended: Protecting Yourself Online by Chris Weber, William Chan, Gary Bahadur

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Spyware

Spyware crosses the line between legal and illegal acts. This type of software is very intrusive and stealthy. A variety of software products are building in functionality that installs unwanted and unknown software on your system, piggybacking on other software installations and sending out information to the company about you and your system that you might not want divulged. These products also are often used to download advertisements to your computer. The only way to find out that the software's there is when it starts making changes to your system settings, sending out traffic from your system that you can notice, or opening an Internet connection for its own purposes.

Spyware is an offshoot of adware, which is freeware that embeds ...

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