Any personal computer connected to the Internet is a potential target. Hackers randomly barrage Internet connected PC's with "pings" or "port scans", probing to find unprotected systems. Once found, a hacker can compromise your PC with a dangerous Internet threat - a trojan horse, spyware or malicious worm.

ZoneAlarm Pro's TrueVector® technology combines a personal firewall with Application Control to protect your PC from intrusions and hostile attacks.

 ZoneAlarm Pro's firewall barricades your PC with immediate and complete port blocking. The software runs in Stealth Mode to make your PC invisible on the Internet - if you can't be seen, you can't be attacked.

Click here to find out why you should protect your PC with a personal firewall.