Would it be possible for a competing nation state to bug the right rooms in which Nancy becomes privy to the information she (or her husband) trades on?
This gave me a funny idea - play continuous audio of AIs talking to each other in all unused conference rooms so the opposition has to filter through even more garbage to get the useful information.
If they can read and act faster, accurately predicting sentiment, it would be a winning strategy. (At least until humans turned it all over to computers and stopped having to wait on their wetware to figure out their sentiments.)