SS7 is vulnerable to attack. However, the types off attacks on the video don’t affect Signal as it requires a pin. (Make sure you set your pin to something strong and secure)
SS7 is vulnerable to attack. However, the types off attacks on the video don’t affect Signal as it requires a pin. (Make sure you set your pin to something strong and secure)
I’ve never had a cellular provider for this reason among others. Here is NBTV’s video with some alternatives to directly having a SIM card, which I combine with MySudo to get phone numbers as well.
Silent.link is also worth considering. I think it also works for people in the EU.