Ask HN: Are there any iPad IP control solutions?

I've been working a lot in China, and there are of course many IP concerns. Document and paper control are crucial as IP valuations are often worth millions. I was thinking of developing a new solution, but was wondering if anything like this exists already. The iPad seems like a good medium for this, due to the remote wipe and location capabilities, as well as its ability to replace paper media.

Are there any applications that allow administrators to control document access very strictly? Something whereby all the documents could be on the iPad, but require specific passwords to access, thus allowing careful control of the documents.