Detecting IMSI Catchers: Tools, Apps and Methods You Should Know An IMSI-catcher is a device that intercepts mobile phone communications, acting as a fake cell tower to eavesdrop on calls and track location data. It’s essentially a “man-in-the-middle” attack, placing the device between the target phone and the real cell network. While some security measures exist in … Continue reading Detecting IMSI Catchers: Tools, Apps and Methods You Should Know