Reading passwords from accelerometer data? Jesus, that's brilliant
@NekoSock swiping is now the most secure way to type
It's a book about web security, "The Tangled Web", it's really good, some even say it's one of the best, although it's from 2011.
In this section, the book contains a reference towards this white paper. https://www.usenix.org/legacy/event/hotsec11/tech/final_files/Cai.pdf
Welcome to your niu world ! We are a cute and loving international community Ｏ(≧▽≦)Ｏ !