Local Area Network (LAN) is an interconnection of computers and each computer can interact with other computers within the network, In such scenario’s Security of the network is of top priority if the network also has a shared internet connection.With new vulnerabilities often found, it tough to keep updated and also protect the network.GFI LANGuard makes over 15,000 vulnerability assessments of each IP in your LAN and helps protect your network.

Hackers can enter networks using network vulnerabilities and network security loop holes, You can fix and guard your LAN using GFI LanGuard which is free Network Security Scanner and Vulnerability Management Tool.It analyzes the state of your network security with over 15,000 vulnerability assessments and help deploy and manage patches on all machines across different Microsoft operating systems using GFI LANguard’s Patch Management which automatically downloads missing Microsoft security updates and deploy the missing Microsoft patches or service-packs throughout your network.

You can also monitor the hardware across the network using the GFI LANguard’s Network Auditing tool to see the information on memory, processors, display adapters, storage devices, motherboard details, printers, and ports in use across the network and report or uninstall unauthorized software installations.

Click here for more screenshots.

Features :

• Vulnerability Scanning
• Extensive, Industrial Strength Vulnerabilities Database
• Patch Management
• Automatically Deploy Network-wide Patch and Service Pack Management
• Remote Desktop Connection
• Automatically checks the password policy for all machines on the network
• Checks for programs that run automatically (potential trojans)
• Finds out if the OS is advertising too much information
• Performs simultaneous scans through the multithread scan engine
• Provides NetBIOS hostname, currently logged username and MAC address
• Provides a list of shares, users (detailed info), services, sessions, remote TOD (time of day) and registry information from remote computer (Windows)
• SNMP device detection, SNMP Walk for inspecting network devices like routers, network printers and more
• Offers alternative command line deployment tool
• Identifies all installed Windows services

System Requirements:

1. Windows 2000 (SP4), Windows XP SP2 (x86 & x64), Windows 2003 (x86 & x64), Windows Vista (x86 & x64) or Windows 2008(x86 & x64).
2. Support for MS SBS 2003 & 2008 (MS SBS not required).
3. .NET Framework version 2.0 or later

Download : GFI LanGuard
NOTE : The Free version helps scan up to five IPs for free.