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And here's what tucows has to say:
Information:
This personal firewall manages applications that send or receive data, providing identification of individual executable modules. It creates a virtual security network and directs potentially dangerous files from all PCs into a single gateway where experts investigate and classify them as good or bad in real time.
Along the right side of this review, you can also download pcAudit. This is a free tool used to simulate an attack by a hacker. It demonstrates the need for application control at the level of individual modules. It shows how lacking this allows a hacker to bypass a conventional firewall without being noticed.
A hacker can even hijack many popular personal firewall programs and use them to send back data. This tool lets any PC user determine whether their PC is vulnerable to intrusion. This may be the case even if you are behind a personal or a corporate firewall. Upon completion of your pcAudit, you will receive a detailed evaluation report.
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