GSM-AT Commands Misused, Hackers Secretly Create Covert Channels Vulnerability GSM-AT Commands Misused, Hackers Secretly Create Covert Channels do son April 11, 2018 Two researchers keen on mobile privacy and security, Alfonso Muñoz and Jorge Cuadrado found a way abusable GSM-AT... Read More Read more about GSM-AT Commands Misused, Hackers Secretly Create Covert Channels