this post was submitted on 08 May 2025
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152
WhatsApp provides no cryptographic management for group messages (arstechnica.com)
submitted 15 hours ago by themachinestops@lemmy.dbzer0.com to c/technology@lemmy.world
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[–] Bahnd@lemmy.world -1 points 13 hours ago (2 children)

Or Matrix (warning some assembly required)

[–] new_guy@lemmy.world 14 points 13 hours ago (2 children)

WhatsApp isn’t the only messenger lacking cryptographic assurances for new group members. In 2022, a team that included some of the same researchers that analyzed WhatsApp found that Matrix—an open source and proprietary platform for chat and collaboration clients and servers—also provided no cryptographic means for ensuring only authorized members join a group. The Telegram messenger, meanwhile, offers no end-to-end encryption for group messages, making the app among the weakest for ensuring the confidentiality of group messages.

[–] Bahnd@lemmy.world 8 points 13 hours ago

That study was 3 years ago, features to create private (invite only) group chats are supported now.

[–] coconut@programming.dev 1 points 11 hours ago

an open source and proprietary platform

Are parts of matrix closed source?

[–] Vanilla_PuddinFudge@infosec.pub 5 points 11 hours ago

I actually found xmpp to be a breeze compared to most Matrix solutions.

Synapse is bloated, dendrite sucks and conduit is in perpetual beta and the uwu forks die too fast.

XMPP:

  1. Install Snikket
  2. Reverse proxy
  3. Done