hi all,
In this topic I'm gonna start explain about windows security scanners , leave your comments and hope to enjoy

:: Nsauditor Network Security Auditor
Nauditor is a network security scanner that allows to audit and monitor network computers for possible vulnerabilities , to see all open ports and owner program names, including the process loaded modules, kernel objects, memory details, remote address and state of connections, dns name, country where from, service associated with connection, possible trojans associated with port and service description.
also Nsauditor can reveal and catalog a variety of information, including installed software, shares, users, drives, hotfixes, NetBios, RPC, SQL and SNMP information, open ports.
URL :
http://www.nsauditor.com/

:: Shadow Web Analyzer
assist you in analysing your own web site in search of potential errors.
Link : http://www.safety-lab.com/

:: Shadow Security Scanner
Shadow Security Scanner has been developed to provide a secure, prompt and reliable detection of a vast range of security system holes. this scanner supports :
FTP, SSH, Telnet, SMTP, DNS, Finger, HTTP, POP3, IMAP, NetBIOS, NFS, NNTP, SNMP, Squid (Shadow Security Scanner is the only scanner to audit proxy servers - other scanners just verify ports availability)
Link :
http://www.safety-lab.com/en/products/1.htm