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.
Healthcare worker, chiming in:
Yes please.
Ah yes, just how sensitive information should be sent. In clear text over the internet.
You can encrypt emails, we’ve been doing it for decades. It’s easier to compromise faxes than encrypted emails
The message I was responding to uses fax.
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.