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Is Signal messaging really private?
(lemmy.ml)
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this post was submitted on 08 Sep 2025
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Privacy
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~~Afaik you don't need a phone number for Signal (a "username" can substitute it, a few years back they added it).~~ edit: you still do
(Also the phone number & IP was the security risk, not the messages, afaik.)
This however was a debate about a supposed backdoor (I otherwise agree about Signal & its USA basedness, I just remain glad it exists despite it ~~many~~few blemishes).
You need a number to register, but not to comunicate
I tried to make a new account for my child recently. You need a number. It wouldn't even work as a first signup on a wifi only tablet.
I tried to uninstall on my phone, set him up a new acct with a VoIP number then move the account to his tablet. It constantly failed when I uninstalled and put my account back on my phone.
You can only use one cellphone. Of you switch between two, it has to deactivate on the other.
Then you can have 4 or 5 other devices but that acct is tied to an activated cell phone and it gets screwy if you change that phone.
Molly (fork of Signal) allows you to use multiple phones https://github.com/mollyim/mollyim-android
So those posts they implemented this were lies (meaning I obv didn't read attentively enough)?
Sad :(.
They implemented usernames to identify people so we could stop using numbers to find each other.
They still use numbers (cell and possibly device/network ids) they say to identify and secure (or so they say).
The idea is without access to your cell phone, nobody's going to get access to decrypt your data.
Yeah, no, I get & like that, I just somehow specifically (obviously mis-)remember that they did away with phone number as a prerequisite for creating an account (everything still the same, just that the account can't be reset).
:(
try to get a Signal account without a phone number. let me know if it works (hint: it won't work).