Arguably one of the biggest challenges for desktop security is how to handle those overly complex PDFs, DOCs, and similar files, that are so often exchanged by people, or downloaded from the Web, and that often provide a way for the attacker to compromise the user's desktop system.Today I would like to discuss a recent innovation we created for Qubes OS that allows to securely convert those pesky PDFs (as well as essentially any graphics files) into trusted PDFs. Here by a “trusted PDF” I mean a...