3 ms·
The last time I transferred my mobile number, the telco wanted to have the IMSI as well. Then what my phone reported was not what they wanted, so it took a whil
by phicoh 10y ago
The last time I transferred my mobile number, the telco wanted to have the IMSI as well. Then what my phone reported was not what they wanted, so it took a while to sort that out.
But it seems secure enough. It is not easy to get an IMSI for a random phone number.
- lukego 10y ago> It is not easy to get an IMSI for a random phone number This is easy if you have an SS7 network connection. Comparable to the difficulty of resolving a DNS name to an IP address using an internet connection.