Secret messages could be hidden in net phone calls

The next time your internet (VoIP) phone call sounds a bit fuzzy, it might not be your ISP that's to blame. Someone could be trying to squeeze a secret message between the packets of data carrying the caller's voice. New Scientist reports. "Two information scientists at the National Institute of Telecommunications in Warsaw, Poland, revealed last week that they are developing a "steganographic" system for VoIP networks. Steganography is the art and science of writing hidden messages in such