GFI LANguard Network Security Scanner sharewareScreenshot 

GFI LANguard Network Security Scanner (N.S.S.) checks a network for possible security vulnerabilities by scanning the entire network for missing security patches, services packs, open shares, open ports, unused user accounts and more. GFI LANguard N.S.S. is also a complete patch management solution; it can remotely deploy missing patches and service packs in applications and OS. GFI LANguard N.S.S. is the leading Windows security scanner.

 

Screenshot of GFI LANguard Network Security Scanner