Internet -
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Spyware consumes resources on your computer; it can slow down your
Internet connection or entire computer system, and even cause
crashes.
Spyware is sometimes used by unscrupulous companies to monitor
and track the sites you visit on the Internet so as to determine your
web-surfing habits and display targeted pop-up ads on your screen.
However, some kinds of spyware go beyond simple tracking and
actually monitor keystrokes and capture passwords, posing a serious
security risk.
What is malware?
Malicious software, also known as
malware
, is software designed to
deliberately harm your computer. For example, viruses, worms, and
Trojan horses are malicious software. To help protect your computer
against malware, make sure it is using up-to-date antivirus and anti-
malware software.
What is a personal firewall?
A personal firewall is a software program designed to prevent
unauthorized access to or from a private network. It acts as a shield to
protect your Internet connection from unwanted connections, some
of which may attempt to take control of your computer to install or
re-distribute viruses or malicious programs. Each connection to your
computer is monitored - programs that attempt to receive
information without your permission are detected and the firewall
will display an alert. You can then decide if you will allow the
connection, if the connection is to a program you are currently using
