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With increasing use of the internet, the threat of virus attacks on computers has grown many fold. An infection from any source can wreak havoc on your computer. The best way to completely protect your PC from viruses, spyware, trojans and other malware is to shut it down or disconnect it from the internet but realistically this is not practical, therefore one needs to install antivirus firewall software.

Antivirus internet security software is a two in one software application which not only prevents rogue programs from invading the computer but also removes any such program which might have found its way into the computer. Just like a physical firewall prevents computer access from one area to another, firewall software also prevents port access but also blocks malware such as viruses, spyware, adware, trojans etc from invading the computer. The software also removes infections before they can cause too much damage.

Besides virus programs there are other programs which you need to protect your computer from. They include malware which has been created to invade ones computer with the specific task of locating and stealing one’s personal information, adware that shows adverts, spyware which is intended to steal data from the computer’s hard drive, worms which can replicate themselves and bots which are robotic programs and can run on their own usually at a pre determined time.

Malicious software like those mentioned above are fast turning into the most common form of internet crime, furthermore their detection is getting ever more difficult due to their increasingly complex nature.

Firewalls are customisable and can be used to add or remove port access filters depending on various conditions such as IP address, domain names and protocols, ports and specific words and phrases. While Windows comes with its own firewall, it is largely ineffective against major threats. This is the reason why antivirus firewall software becomes so important for keeping your data safe.

There are dozens of different companies where you can buy antivirus. Some of these applications are sold individually (only antivirus or only firewall software), while some programs combine the two into a comprehensive security package. One thing is for sure, if you want to keep your computer safe, an antivirus firewall software application is a must buy.

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