JitterBugs - Covert Keyboard Communication Channels

WarTyping, keyboard acoustic emanations, and here comes a full-scale covert espionage tool recently discussed in an in-depth research at the 15th USENIX Security Symposium. Researchers at the CS department of University of Pennsylvania developed a working prototype of a JitterBug Covert Channel :"This paper introduces JitterBugs, a class of inline interception mechanisms that covertly transmit