Collects and analyzes mobile radio data to make you aware of your mobile network security and to warn you about threats like fake base stations (IMSI catchers), user tracking and over-the-air updates. With SnoopSnitch you can use the data collected in the GSM Security Map at <a href="https://gsmmap.org">https://gsmmap.org</a> and contribute your own data to GSM Map. Requirements: * Qualcomm-based Android phone (see <a href="https://opensource.srlabs.de/projects/snoopsnitch/wiki/DeviceList">device list</a>) * Stock Android ROM, version 4.1 or later * Note: Custom Android ROMs like CyanogenMod may or may not work, depending on the availability of a Qualcomm DIAG kernel driver (DIAG_CHAR). * Root privileges on phone Incompatible Devices: * Samsung Galaxy S2 & S3 * Nexus 5 with stock Android * Huawei Ascend Y300