this post was submitted on 13 May 2024
4 points (100.0% liked)

Privacy

31874 readers
490 users here now

A place to discuss privacy and freedom in the digital world.

Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.

In this community everyone is welcome to post links and discuss topics related to privacy.

Some Rules

Related communities

Chat rooms

much thanks to @gary_host_laptop for the logo design :)

founded 5 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
[–] dessalines@lemmy.ml 1 points 5 months ago* (last edited 5 months ago) (2 children)

Metadata and social graphs are more important than message content, esp since not many people have the time to read through individual messages to build meaning.

Signal stores phone numbers (meaning your identity, and home address), and message timestamps: who texted who and when, and who's in chats with who else. More than enough to build social graphs and connections, and also figure out where people are through their IP addresses.

[–] marcie@lemmy.ml 1 points 5 months ago (1 children)

Do you happen to know what metadata matrix stores? I assume matrix.org specifically stores email and username, right

[–] dessalines@lemmy.ml 1 points 5 months ago

Yes, but I don't think user metadata outside of your apub url, name, icon, display name, leaves your homeserver. Email or passwords don't leave iirc.

[–] brayd@discuss.tchncs.de 0 points 5 months ago (1 children)

Signal can't see who is texting who. They can't see which groups you are part of. Those information are end to end encrypted, same as your chats itself, your profile picture, your stories, etc.

Signal doesn't store message timestamps either.

What Signal itself knows of you is your phone number, the timestamp of your registration, the timestamp of your last connection to the server. That's it.

Yes metadata is critical but Signal handles metadata very well. Indeed, even though I'm a fan of Matrix, better than Matrix. Matrix is a metadata nightmare due to it's centralized structure and the way the protocol works.

[–] dessalines@lemmy.ml 1 points 5 months ago

Signal can't see who is texting who. They can't see which groups you are part of. Those information are end to end encrypted, same as your chats itself, your profile picture, your stories, etc.

This is completely false. They can absolutely see who is texting who, in fact they need it to be able to route messages. They have message timestamps, and phone numbers stored in their database.

Question, why do you "trust" signal? You can't see what code their centralized server is running, unlike matrix which you can self-host and build from source. You don't have to "trust" matrix, you can verify it for yourself.