The document was unearthed by Cryptome, the site who previously unveiled similar papers by Facebook, Skype, and other online giants. When Microsoft learned about it, they sent their rabid law dogs to tear Cryptome apart, Digital Millennium Copyright Act in one hand, iron bar in the other. So far they have managed to coerce Cryptome's host company to take down the site the pages aren't taken down. Network Solutions complied with Microsoft's barking, passing along the message to Cryptome that, if they don't take down the "secret" material, they would take down the whole site.
In order to read an online copy of this document (via Scribd) visit this Gizmodo page at - 'The Secret Government Surveillance Document Microsoft Doesn't Want You To See'