this post was submitted on 08 May 2025
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WhatsApp provides no cryptographic management for group messages (arstechnica.com)
submitted 16 hours ago by themachinestops@lemmy.dbzer0.com to c/technology@lemmy.world
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[–] Sandbar_Trekker@lemmy.today 21 points 13 hours ago

Highlighting the main issue here (from the article):

“This means that it is possible for the WhatsApp server to add new members to a group,” Martin R. Albrecht, a researcher at King's College in London, wrote in an email. “A correct client—like the official clients—will display this change but will not prevent it. Thus, any group chat that does not verify who has been added to the chat can potentially have their messages read.”