Acer TravelMate P255-MP Bedienungsanleitung PDF herunterladen (Seite 91)

Internet and online security - 91

computer in various ways, using up resources or clogging up a

network.

What is spyware?

Spyware refers to generally unwanted programs that are downloaded

onto your computer while connected to the Internet, often without you

knowing it. Once it has infected your computer, it can snoop on your

browsing activity, collect personal information, cause pop-up ads to

appear, or even change the configuration of your computer. 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 then normally you

Note

Acer guarantees that your computer was 100% virus free at the time of

purchase and does not cover damages due to viruses.

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Acer TravelMate P255-MP Bedienungsanleitung Seite 91