
The OS Firewall will monitor program installation and registry changes and file access down to your PC’s core. Operating System Firewall (OSFirewall) is an additional layer of security that prevents hard-to-remove spyware from getting onto your PC and causing damage. It also prevents spyware and other malicious programs from sending your personal information across the Internet, automatically makes your computer invisible to anyone on the Internet, protects your programs from malware, and more. It offers advanced features that deliver proactive firewall protection with multiple layers of security that stop inbound, outbound, and program attacks while remaining completely invisible to hackers.

It delivers powerful, multi-layered security to your PC with an advanced firewall, anti-spyware, Spy-Site Blocking, identity theft protection, privacy protection, and much more! ZoneAlarm Pro Firewall is a comprehensive firewall suited for consumers and small businesses, that blocks hackers and intruders from accessing your PC.
