Keep in mind even if you decline everything and use a special ROM, your SIM card is a tiny computer running Java (yes, I know) and your carrier can run arbitrary applets there with access to your modem and some RAM.
It has been shown multiple times that they can track locations this way, and some exploit chains have allowed them to use this to fetch other data from the phone.
Keep in mind even if you decline everything and use a special ROM, your SIM card is a tiny computer running Java (yes, I know) and your carrier can run arbitrary applets there with access to your modem and some RAM.
It has been shown multiple times that they can track locations this way, and some exploit chains have allowed them to use this to fetch other data from the phone.
Holy shit, what? Do you have any examples of this?