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No you are not correct. The whole underlying mobile phone network infrastructure is based on (failed) trust and is not secure. Though it is slowly being replaced.

https://www.theguardian.com/technology/2016/apr/19/ss7-hack-...

https://www.firstpoint-mg.com/blog/ss7-attack-guide/



replaced by a system which is similarly secure against all classes of attackers that anyone gives a crap about.


Can you elaborate? I'd like to learn more about this. The only initiative I know about is STIR/SHAKEN.


I feel people who fled Hong Kong and Belarus care, so it would be rude to call it crap.




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