Most of us think that an anti-virus program is enough protection for our computers. But that’s far from sufficient. The most effective way to protect your computer is to install a firewall. A firewall is software that protects your computer or network from unauthorised outside intrusion.

It acts like a barrier and stops unauthorised access. It monitors and scans all the information that comes through the Internet, and allows only those programs to access the Internet, which you have asked it to. With malicious intrusions on the rise, anyone with access to the Net needs a firewall. Research has shown that a computer that doesn’t have a firewall installed can be compromised within a matter of minutes. Firewall protects computers - Technology - MSN India

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