FREE for personal use, Sygate Personal Firewall 4.0 is more than an advanced, user-friendly personal firewall -- it is a bi-directional intrusion defense system. Sygate Personal Firewall ensures your personal computer is completely protected from malicious hackers and other intruders while preventing unauthorized access from your computer to a network. In essence, Sygate Personal Firewall makes your protected machines invisible to the outside world. That makes Sygate Personal Firewall a must-have security measure for any PC that connects to a private network or the public Internet. Once you've been compromised, every other network you connect to is at risk; including your home, business and online bank accounts. No matter where you use your computer, whether remote or behind a corporate firewall, whether dial-up or an always-on broadband Internet connection, Sygate Personal Firewall, gives you complete confidence that your precious business, personal, financial and other data is safe and secure. If that isn't enough, Sygate Personal Firewall includes advanced active-scan vulnerability assessment to pinpoint your weaknesses and fine-tune your security policy. Sygate Personal Firewall is FREE for personal use and business licenses are $39.99.