ZoneAlarm Free can barricade your PC with complete and immediate port blocking. And, then runs in Stealth Mode to make your PC invisible on the Internet - if you can`t be seen, you can`t be attacked.

License: Freeware

Download security software: ZoneAlarm Free 6.1.737.000

Developer: Zone Labs

ZoneAlarm Free delivers simplicity without compromising your security. A getting started tutorial explains controls and alerts to get you up and running quickly. And, to keep you confident that you`re always protected, intuitive color-coded alerts rate security risks - in real time.

For basic, "no frills" firewall protection, ZoneAlarm free is the popular first step for many home PC users. And it`s still FREE for individual & non-profit use.

Key features of ZoneAlarm Free:

- Easy-to-use firewall blocks hackers and other unknown threats. Stealth mode automatically makes your PC invisible to anyone on the Internet.
- Keeps personal data private and secure, deletes adware cookies, blocks pop-up ads, and more.
- Quarantines suspicious email attachments and blocks outbound messages containing potential viruses.