It used to be that only 2G was vulnerable, but newer devices don't depend on downgrading. But with suitable phones, I gather that one can detect suspicious base

It used to be that only 2G was vulnerable, but newer devices don't depend on downgrading. But with suitable phones, I gather that one can detect suspicious baseband activity. However, by the time that's obvious, the phone will already be pwned. https://www.tomsguide.com/us/cellphone-tracker-stingray,news-21718.html https://www.tomsguide.com/us/cellphone-tracker-stingray,news... https://www.tomsguide.com/us/imsi-catcher-catcher,news-19438.html https://www.tomsguide.com/us/imsi-catcher-catcher,news-19438...