Here, a paper was written about it not too long ago: http://www.ieee-security.org/TC/SP2013/papers/4977a080.pdf http://www.ieee-security.org/TC/SP2013/papers/49

Here, a paper was written about it not too long ago: http://www.ieee-security.org/TC/SP2013/papers/4977a080.pdf http://www.ieee-security.org/TC/SP2013/papers/4977a080.pdf The same goes for end users: http://www.ohmygodel.com/publications/usersrouted-ccs13.pdf http://www.ohmygodel.com/publications/usersrouted-ccs13.pdf