Honestly, I’d assume being on a MVNO carrier would actually protect you from this, as you’re simply roaming on the T-Mobile network through the carrier agreement. Even ATT and Verizon have roaming agreements.
The issue is for T-Mobile direct customers, which obviously their internal systems have access to. I see no reason why T-Mobile would have access to users accounts at another company…
The issue is for T-Mobile direct customers, which obviously their internal systems have access to. I see no reason why T-Mobile would have access to users accounts at another company…