Microsoft .NET Portability Analyzer Privacy Statement.txt

During the process of identifying the .NET APIs used by a binary Microsoft collects the list of .NET APIs used by the user submitted binaries. Microsoft also collects the names of various user created APIs. The tool does not collect the binary code, only names of APIs are collected. Microsoft will also collect assembly information such as assembly references for the binary & the Target Framework Moniker (TFM).

Source: http://www.microsoft.com/en-us/download/details.aspx?id=42678