Maybe I should expand on what I mean with this. Secure messaging apps like WhatsApp and Signal are becoming normalized, which is fantastic! However, they have issues with privacy (and potentially safety) based on phone numbers as unique IDshttps://twitter.com/NormanShamas/status/1022179143889313792 …
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i've been able to get a free number with textnow using tor and a throwaway email address. the hijacking thing is certainly still a problem but it's outside many ppls' threat models
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Hijacking is definitely of concern for activists and journalists though. There are examples of that already being done in the US against activists with real phone numbers through social engineering of telcoms
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i've successfully social engineered my own number away from my telco as a test :(
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Probably a reason secure messaging apps shouldn't be using phone numbers as a unique ID. But that's another conversation...
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