Defense of Deep Learning architechture
This is relevant because the similar attack on human cogition below the level of conscious awareness are evidently in use.
This is an information war but you can not see all the weapons. Learn the game and protect yourself.
https://techxplore.com/news/2018-09-defense-adversarial-machine-cryptography.html
As most attack algorithms can easily be adapted to trick the security measures of the DNN under attack, currently, there is no defense mechanism that consistently copes well with adversarial attacks.