USA Today reports:

“After the scandal with the spread of secret documents by WikiLeaks, the revelations of Edward Snowden, reports of listening to Dmitry Medvedev during his visit to the G20 summit in London, the practice of creating paper documents will increase,” an unidentified FSO source tells Izvestia.

One key reason for using typewriters is that each creates its own unique “signature” that can be traced, the newspaper says.

Full Story: USA Today: Spooked by NSA, Russia reverts to paper documents