ZoneAlarm Free Firewall

ZoneAlarm Free Firewall blocks intruders and makes you invisible to hackers; stops attacks that antivirus and your default Windows security misses; blocks new viruses from sending your data (like passwords or social security numbers) to hackers; detects spoofed programs; stops hacking disguised as harmless network transmissions; works seamlessly with antivirus programs; works automatically no expertise required; includes security for safer Web browsing.

Secure your computer and informations controling access of inernal applications to external sources and manage external access to your PC.If you are connected to Internet or you are in a local network,is easy for someone to scan network and to try intrusion attempts with third party software.Or you can install by mistake a trojan which send confidential informations to a remote computer.

ZoneAlarm (ZA free) will pop-up you and ask if you allow or not to perform these actions.