Zone Firewall is the best firewall software of 2025 and has helped thousands of people keep their digital information safe ...

Software installed in a user's computer that offers protection against unwanted intrusion and attacks coming from the Internet. Personal firewalls are available from numerous security vendors ...

Norton Personal Firewall 2006, which can be installed as ... all the harder for third-party developers of legitimate security software to do their thing. Symantec was one of the loudest ...

A firewall that is provided by software. It often refers to a personal firewall in a user's computer, but software firewalls may be installed in servers as well. Contrast with hardware firewall.

WebMD does not endorse any specific product or service; however we highly recommend the use of Security Software, such as Anti-Virus, Anti-Spyware, and Personal Firewall programs. Malware today ...