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How to solve the SMS bombing?
It is precisely because of the 2G channel with protocol defects that SMS is so fragile. Therefore, one way to prevent "SMS sniffing" is to turn on the VoLTE function and "upgrade" SMS.
After the high-definition voice call service is opened, SMS will be transmitted through 3G/4G network like telephone. Although this method can not resist the dimension reduction attack of pseudo base station 100%, it can increase the overall difficulty of SMS sniffing. However, for the time being, only some regions support the opening of the VoLTE function.
2. Strictly control the permission of the App to read short messages.
In addition to the "SMS sniffing" of GSM, those apps that lie on your mobile phone and get SMS reading permission are actually a hidden danger of information security. Think about it, as long as there is a loophole in any authorized App, your verification code SMS is equivalent to "streaking" on the Internet.
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