McAfee Foundstone CredDigger™ is a tool that attempts to gather data to assist with penetration testing on a corporate network by determining every host on which a given set of user credentials is valid, while also building a database of all user ID’s through various means and protocols.

The intended audience for McAfee Foundstone CredDigger is a penetration tester or network administrator wanting to test his/her security.

Some of the common use cases for the tool are:
System Requirements
Penetration testing a client environment
Network administrator performing a security test on his/her own environments
Microsoft .NET Framework v1.1 or higher
Microsoft Internet Explorer 5.5 or higher
CredDigger has been tested on Windows XP workstation running .NET v2.0, and Windows 2000 server running .NET v1.1.