–> ZoneAlarm Security Feature Comparison Chart FEATURES ZoneAlarm® Internet Security Suite ZoneAlarm® Pro ZoneAlarm® ForceField – Browser Security ZoneAlarm® Antivirus USD 39.95 USD 29.95 USD 19.95 USD 19.95 Basic Network and Program Firewall Advanced Network and Program Firewall Improved! Operating System Firewall (OSFirewall™) Improved! Anti-Spyware New Engine! Antivirus Identity Theft Protection New! Auto-Learn Spy Site [...]