In the UK the police and security services use a IMSI-catcher, its a man in the middle device that collects the data form as cell phone
used for protests rallies etc
https://en.wikipedia.org/wiki/
In the UK the police and security services use a IMSI-catcher, its a man in the middle device that collects the data form as cell phone
used for protests rallies etc
https://en.wikipedia.org/wiki/