Spyware
Spyware is software that collects personal information from your computer without
your knowledge. It can look at which sites you're visiting or access information
like usernames and passwords. What's worse, it can send this information to a third
party without you knowing it. The software may also perform several different unwanted
functions, including the delivery of pop-up ads or harvesting private information.
It can serve up inappropriate ads to you and your children, and can seriously slow
your computer down, as it attempts to run spyware processes instead of the programs
you are trying to use.
Spyware is downloaded to your computer from the websites you visit, or invites itself
in unannounced when you agree to download another program. In some cases it is mentioned
in the fine text of a user agreement that you accept before downloading a program
and when you agree to download the program, you inadvertently agree to host spyware.
The clues that spyware is on a computer include:
- a barrage of pop-up ads
- a hijacked browser — that is, a browser that takes you to sites other than
those you type into the address box
- a sudden or repeated change in your computer's Internet home page
- new and unexpected toolbars
- new and unexpected icons on the system tray at the bottom of your computer screen
- keys that don't work (for example, the "Tab" key that might not work when you try
to move to the next field in a Web form)
- random error messages
- sluggish or downright slow performance when opening programs or saving files
Virus & Worms
A virus is a program that can cause minor to extreme damage to your computer and
use your Internet connection to spread itself to other computers-usually those of
your friends and family. A worm is similar to a virus; however, a worm is self-contained
and does not need to be part of another program to circulate itself.
Learn more about Spyware:
http://onguardonline.gov/spyware.html
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