GFI LANguard Network Security Scanner 8.0 Build 20080326 

GFI LANguard Network Security Scanner (N.S.S.) is a tool to audit network security and proactively secure it. It is also a complete patch management solution. GFI LANguard N.S.S. scans entire networks from a 'hacker's' perspective, and analyses machines for open ports, shares, security alerts/vulnerabilities, service pack level, installed hotfixes and other NETBIOS information such as hostname, logged on user name, users etc. It does OS detection, password strength testing and detects registry issues.