this post was submitted on 28 Jan 2024
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[–] [email protected] 5 points 7 months ago

In principle none of that data should leave the phone line. Dunno whether carriers encrypt VoIP but in any case it shouldn't leak into the internet. Back in the days it was considered secure because in practice it's indeed similarly secure as a letter: In organisational terms, yes, in computer science terms, hell no.