ZoneAlarm Free

ZoneAlarm® Free Firewall 2015

The World’s most downloaded firewall software

  • Free protection against hackers and spyware
  • Effective and quiet security that won’t slow you down
  • Easy for anyone with new quick install and simple interface

ZoneAlarm is FREE for individual and not-for-profit charitable entity use (excluding governmental entities and educational institutions).

Over 85 million downloads
FREE DOWNLOAD
4.5 out of 5 stars
based on over 100
customer reviews
PCMag and CNet Awards
 
Millions of people around the world use ZoneAlarm Free Firewall. Our free software blocks hackers and prevents viruses & spyware from stealing your personal data and sending it out to the Internet. Also, works great with any antivirus software.

We offer solutions to fit all of your security needs.

Free
Firewall
Internet
Security
Suite
Extreme
Security

Two-Way Firewall

Makes your PC invisible to hackers and stops spyware from sending your data out to the Internet.

Advanced Firewall

Monitors programs for suspicious behavior spotting and stopping new attacks that bypass traditional anti-virus protection.

Privacy & Security Toolbar

Provides site check, do not track, Facebook privacy scan, private browsing and more.

Identity Protection

Monitors your credit and alerts you of changes in your credit files.

Antivirus/Anti-Spyware Engine

Detects and removes viruses, spyware, Trojan horses, worms, bots, and more.

Advanced Real-Time Antivirus

Checks files against an always-up-to-date cloud database of antivirus signatures.

Enhanced Browser Protection

Protects your computer by blocking web threats before they reach your browser.

Parental Controls

Filters and blocks inappropriate websites and limits time spent online.

Support

Offers 24/7 live chat and free latest version upgrades.

Threat Emulation

Analyzes downloads and warns you if a download is malicious--stopping it from infecting your PC.

Find My Laptop

Locates your lost or stolen laptop on a map, locks it down and recovers important files remotely.

PC Tune-up

Optimizes your PC for faster speed and higher performance.

FREE!

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PC Security
2-Way Firewall (Inbound & Outbound)
Stops Internet attacks at the front door and even catches thieves on their way out. Our 2-way firewall proactively protects against inbound and outbound attacks while making you invisible to hackers.
  • Inbound & Outbound - monitors and blocks threat traffic in or out.
  • Full Stealth Mode - makes you invisible to hackers
  • Kill Controls - instantly disable malicious programs.
  • Passes Independent Leak Tests* - passes 100% of tests compared to an industry average of 40%. See test results.
DefenseNet™
Leverages real-time threat data from the community of millions of ZoneAlarm firewall users, providing quick response to breaking threats that protect your PC from the latest attacks.
Advanced Firewall
No product is 100% effective against viruses or spyware. ZoneAlarm's advanced firewall monitors behaviors within your computer to spot and stop even the most sophisticated new attacks that bypass traditional antivirus and security suites.
  • OSFirewallTM monitors programs for suspicious behavior, spotting and stopping new attacks that bypass traditional antivirus protection.
  • Advanced-access Protection targets and defeats new, advanced attacks that other firewalls miss, such as raw data access, timing, and SCM and COM attacks.
  • Zero-hour Protection prevents silent outbreaks from gaining system access - before other security programs can even detect the threat.
  • Application Control uniquely shields your operating system during start-up, before most security products have even loaded.
  • Early Boot Protection uniquely shields your operating system during start-up, before most security products have even loaded.
Web Security & Privacy
Do Not Track
Blocks data-collecting companies from tracking you online. Control who receives your private data.
  • Blocks companies from collecting your personal information online.
  • Controls who can follow you as you surf the Internet.
  • Increases your Internet browsing speed.
Facebook Privacy Scan
Stops Internet attacks at the front door and even catches thieves on their way out. Our two-way firewall proactively protects against inbound and outbound attacks while making you invisible to hackers.
  • Identifies timeline posts that expose your private information to strangers.
  • Scans photos, videos and status updates for tags that can hurt your privacy.
  • Works within your Facebook account, scan results delivered in seconds.
  • Includes detailed step-by-step instructions to tighten your Facebook privacy.
  • Share your own Facebook privacy ideas to help others improve their privacy.
Private Browsing
Erases your cache and all, cookies, history and passwords - letting you browse the Web in complete privacy.
Advanced Download Protection
Automatically analyzes your downloads to determine if they are safe or malicious. Includes an advanced security check that runs and analyzes the download in a protected environment.
  • Instant Security Check intelligently and automatically analyzes programs you download through your Web browser by checking them against a list of known dangerous downloads.
  • Deep Security Check lets you run the download in a virtual, protected environment to analyze it more deeply for malicious behavior.
Identity & Data Protection
Identity Protection Services
Includes identity-protection services to help keep your credit and financial identity safe.
  • Daily Credit Monitoring and Fraud Alerts include daily credit reports with email alerts. You’ll be notified of any changes in your credit reports - which are often an indication of identity theft (US only).
  • Victim Recovery Service provides free telephone counseling to guide identity-theft victims through resolution and recovery (US only).
  • Identity Lock alerts you when your specified information is about to be sent from your PC to an unauthorized destination.
Online Backup
Protects your tax returns, music, photos, and more in the event of loss, theft, accidental deletion or disk failure. 5GB free.
  • Automated Backups lets you schedule the backup of data at your convenience. Includes optional automatic shutdown of your computer when backup is complete.
  • Efficient Backups effectively utilize your Internet bandwidth as the data files are compressed during transmission. Only the modified portions of your files are backed up - speeding up the process.
  • User-defined Encryption Keys let you secure your files as they are uploaded and downloaded. All stored data is encrypted with a secure key and a password known only to you - protecting your data from hackers.
Privacy & Security Toolbar
Blocks spyware distribution sites and fraudulent "phishing" websites that trick you into revealing personal data.
  • Anti-phishing - Warns you and blocks fraudulent "phishing" websites that trick you into revealing personal data. Advanced heuristics detect brand new phishing sites created seconds ago that standard anti-phishing security misses.
  • Spy-site Blocking - Warns you and blocks web sites that are known to distribute spyware.
  • Site Authentication - One-click tells you when a site was registered, where, and if it is known to be dangerous.
Ease of Use
Automatic Operation.
Focus on what you want to do, we take care of the rest.
  • Quiet Security - Reduced the number of program alerts users see by over 90%.
  • Works with all Anti-virus - Seamlessly works with other security software so you can add to the protection you already have.
  • Automatic Updates - Automatically keeps your security lists up-to-date of viruses, spyware, dangerous programs, phishing and spy sites.
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SYSTEM REQUIREMENTS

System Requirements for ZoneAlarm Free Firewall:

Microsoft® Windows® 8, 8.1:
  • 32-bit (2 GB RAM)/ 64-bit (4 GB RAM)
  • 2 GHz or faster processor
  • 100MB of available hard-disk space
Microsoft® Windows® 7:
  • 32-bit / 64-bit , 2 GB RAM
  • 2 GHz or faster processor
  • 100MB of available hard-disk space
Microsoft Windows Vista SP1 or SP2 Business / Home Premium / Ultimate:
  • 32-bit / 64-bit, 2 GB RAM
  • 2 GHz or faster processor
  • 100MB of available hard-disk space
Microsoft Windows, XP SP2 or SP3 Home / Professional
  • 32-bit, 1GB RAM
  • 1 GHz or faster processor
  • 100MB of available hard-disk space
Microsoft .NET Framework 3.5 or later: Required to run ZoneAlarm.
If the required .NET Framework version is not already installed, the ZoneAlarm installation program automatically installs .NET on your computer.

Additional feature-level requirements:
Additional requirements are available for browser security, spam filtering, hard-drive encryption, and parental controls.