Same event

  1. Encrypted, but Wrong: Group Chats Vulnerable to Manipulated Content
  2. WhatsApp, Signal, and Threema: Attackers Can Manipulate Group Chats Unnoticed

Encrypted, but Wrong: Group Chats Vulnerable to Manipulated Content

By with∅ut-me 30.07.2026 at 06:09 Uhr Laws & Rights IT & Internet Media & Press
TL;DR AI-generated Group chats on WhatsApp, iMessage, Signal, and Threema are susceptible to manipulated content if a member or compromised device alters messages. Researchers discovered this vulnerability and reported it to the services, but no immediate actions are planned.

Source: heise.de

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Same event

  1. Encrypted, but Wrong: Group Chats Vulnerable to Manipulated Content
  2. WhatsApp, Signal, and Threema: Attackers Can Manipulate Group Chats Unnoticed

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