ZoneAlarm Pro – “As good as personal firewalls get.” – CNET

Keep hackers and data thieves out of your computer with Zone Alarm Pro, the award-winning PC firewall that blocks intrusion attempts and protects against Internet-borne threats like worms, Trojan horses, and spyware. New Zone Alarm Pro 3.1 doubles your protection with enhanced Ad Blocking and expanded Cookie Control to speed up your Internet experience and stop Web site spying. Why take chances? Get protected. Compatible with Microsoft Windows 98/Me/NT/2000/XP/Vista/.