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ZoneAlarm FREE Firewall
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Featured Products
Detects and removes viruses, spyware, Trojan horses, bots, and more. More Info
Essential antivirus, anti-spyware, and firewall protection for your PC.More Info
Comprehensive security for your PC, your Browser, and your data. More Info
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About ZoneAlarm
Protect your PC from viruses, spyware, phishing and other attacks with our advanced computer security software products. ZoneAlarm provides industry leading computer and Internet security software for home and small business computers and networks. Our products include Antivirus protection, Spyware removal, Internet Firewall, Internet browser security, ID theft prevention, email virus scan and much more. Download our free trial anti-virus or free firewall software, which includes the free ZoneAlarm Security Toolbar. We support the latest operating system software, including Windows 7, Windows Vista, Windows XP, Internet Explorer, and FireFox.
Why I need a firewall?
Your first and last line of defense.PC Optimization Tips
Learn how to customize your PC.Identity Protection Center
You have 1 in 30 chances in getting your identity stolen.Independent Test Results
Don't just take our word for it.Hard Drive Encryption
Protect your data, even if your laptop is lost or stolen.Virtual Browsing
Learn best practices to help secure your browser.Installation Best Practices
Are you currently running 3rd party antivirus and security software?Installation Troubleshooting
Here are some common issues and solutions to help you with installing your software.Security Resource Center
Today's Threat Level
HIGH
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