Eavesdropping on Typing Over Voice-Over-IP

Interesting research: "Don't Skype & Type! Acoustic Eavesdropping in Voice-Over-IP": Abstract: Acoustic emanations of computer keyboards represent a serious privacy issue. As demonstrated in prior work, spectral and temporal properties of keystroke sounds might reveal what a user is typing. However, previous attacks assumed relatively strong adversary models that are not very practical in many real-world settings. Such strong models...