Read https://www.schneier.com/blog/archives/2014/03/ragemaster_nsa.html
As to no one asking, that's easy to find out and how did I find this? (guess please.)
Is it possible, wirelessly or not, to force a graphics card to output the data both to its user and to a separate display to effectively spy on them? (in theory) I'm doing a project on the Pascal graphics card and one of the questions is
Using specific details, describe:
At least one data storage concern, data privacy concern, or data security concern directly related to the computing innovation.
It feels like it should be possible, but I've not seen anyone ask this before, so...