Cybersecurity, IoT, 5g, Data Security, Mobile Network.
MSISDN with an HLR The HRL tells the MSC that ‘we’ are in a new location We try to login to our online banking, which uses SMS authentication Our bank sends us an SMS message to authenticate our login The MSC sends the SMS message to the SMS-C The SMS-C asks the HLR where we’re located. The HLR