If youre using the Internet, then you must have a firewall to protect your computer. Its the only sure way to block intruders seeking to access your computer.
Why would someone want to get to your computer? There are many reasons, including stealing credit card numbers or other personal information. Without a firewall, you expose every item located on your computer to the world. Moreover, using a cable or DSL modem places you at greater risk, since youre always connected to the internet.
WHAT YOU CAN DO Its essential to run an updated anti-virus program as well as anti-spyware software; however, this is not enough protection. You must also be sure to have at least one firewall installed and running on your computer. A firewall is an extra layer of security that blocks intruders from accessing files and data on your computer. It acts as a barrier and only allows certain types of information both coming in as well as going out of your network. It has built-in filters which permit only those with permission to enter, limiting access between two or more networks, usually between a private network and a public (untrusted) network, such as the Internet. ...
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