
Freeware Network Security Scanner
GFI LANguard is the leading network security and vulnerability scanning tool on the market and is offered as a freeware version, allowing full functionality for up to 5 IPs. GFI LANguard also features powerful patch management capabilities ensuring all the latest Microsoft patches and updates are deployed throughout your network.
Why choose GFI LANguard to safeguard your network security?
- Check for and deploy missing security patches and service packs in OS and Office
- Fast TCP & UDP port scanning & identification
- Alerts pinpoint security issues & recommends action
- Automatically detect new security holes with scheduled scan results comparisons
- Checks anti-virus and anti-spyware to ensure latest definitions are installed
- Wireless node/link detection and USB device scanning
GFI LANguard was voted No.1 commercial network security scanner by NMAP users for 2 years running and has been sold over 200,000 times!
Try out GFI LANguard today: Download the FREEWARE version now (up to 5 IPs)!
![]() | Download GFI LANguard FREEWARE |
Security features at a glance
One complete network security package, combining best-of-breed solutions for Vulnerability scanning, Patch management and Network auditing
Identify security vulnerabilities and take remedial action
Over 15,000 vulnerability assessments, including OVAL and SANS Top 20
Create custom vulnerability checks
Easily analyze and filter scan results
Scan and retrieve OS data from Linux systems
Patch management features
Automatically deploy network-wide patch and service pack management
Deploys custom/3rd party software and patches network-wide
Automatically receive alerts of new security holes


GFI LANguard Dashboard
Deploy Microsoft patches
GFI LANguard scan results
Scheduled scan setup