Spyware refers to a type of program that may be on your computer. You may not even realize that it has been installed. It secretly logs your actions and sends data back to the company that created it. This data may be sold to telemarketers (who then send you spam) or to target advertising based on what you do on the internet.
Often, you agree to this...in that licensing agreement that you probably did not read when you downloaded something from the Internet. However, some programs and websites do this without your knowledge or even your consent.
Most Spyware is packaged along with some "free" program. Kazaa, BearShare, Comet Cursor, Real Player, and Gator are common examples. Many of these install a useful program for sharing music, animating cursors, or helping to remember passwords.
Spyware often causes problems. These are free programs and the companies do not have a vested interest in making sure it works well on your computer. I've seen Kazaa slow down a cable connection to the point where it took 90 seconds to access the home page. I've seen Lop.com and Xupiter hijack the browser, make a new home page, make new favorites. I've seen Gator cause Internet disconnection problems.
It is essential to run anti-Spyware programs if you are active on the Internet.
Visit Microsoft's Security At Home Page to Learn More
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