The Russian intelligence agency, FSB, used spyware to monitor a Russian programmer, Kirill Parubets, after detaining him for allegedly donating to Ukraine earlier this year.
During Parubets' detention, authorities seized his Android device and installed spyware on it.
The spyware allowed Russian authorities to track the device's location, record phone calls and keystrokes, and read messages from encrypted messaging apps.
The analysis of the device revealed that the spyware was a trojanized version of the genuine Cube Call Recorder app, enabling comprehensive surveillance of the target device.