Research finds novel defense against sophisticated smartphone keyloggers, by Tiffany Westry:
https://www.uab.edu/news/innovation/item/7575-research-finds-novel-defense-against-sophisticated-smartphone-keyloggers
In this work, we have developed a practical defense against smartphone touchstroke logging attacks, which may become a serious problem in the near future (just like keyloggers in the realm of traditional computers). The paper was presented at a premier venue on mobile and wireless security, WiSec, later this summer.