Description Problem: Is your personal privacy being invaded in your home, office or car? What about changing rooms, hotel rooms, gym rooms, and other private or public places you go to? Solution: Don't fall victim again of people spying on...

Besides their obvious importance in communication and business, did you know that  they also create numerous threats of information leakage? One of the potential leakage channels is the phone's microphone being able to pick up surrounding acoustics with a high...