The script is available for download in Microsoft Script Browser for Windows PowerShell ISE. You need to install the Script Browser application first, and search for the script sample title.
This script gets websites authentication settings in IIS 7.5. It checks these authentication modes, Anonymous, Basic, ClientCertificateMapping, Digest, IisClientCertificateMapping, Windows and Forms.
In a real world, websites which hosted by IIS 7.5 often requires correct authentication configuration. It's easy to check the configuration on local computer. But for web farm administrators, it's impossible to check each server manually. They need a script to ease this task.
You can find more All-In-One Script Framework script samples at https://aka.ms/onescriptingallery