Capturing Smartphone Signals (IMAGE) Georgia Institute of Technology Caption Milos Prvulovic and Alenka Zajic use tiny probe near the phone to captures the signal that is digitized by a radio receiver to accomplish the side channel attack. Credit Allison Carter, Georgia Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.