The Last Cell Tower in Mariupol

For weeks, a lone mobile base station allowed thousands in the besieged Ukrainian city to stay connected—until Russian troops arrived...

ReVoLTE Attack Allows Hackers to Listen in on Mobile Calls

Researchers have discovered an attack on the Voice over LTE VoLTE mobile communications protocol that can break its encryption and allow attackers to listen in on phone calls. Dubbed ReVoLTE, the attack — detailed by a group of academic researchers from Ruhr University Bochum and New York...