WhatsApp, Signal or Telegram: How Metadata Shapes Your Real Privacy

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A security audit prompted a detailed comparison of WhatsApp, Signal, and Telegram, focusing on how each app handles user metadata beyond end-to-end encryption. While E2EE protects message content by ensuring only sender and recipient can read it, metadata — such as who contacts whom, when, and how often — remains largely unprotected. Experts warn that many users develop a false sense of security by assuming E2EE covers all aspects of their privacy. The analysis highlights that an app's true security posture depends not just on encryption claims but on its underlying metadata collection policies. Users are advised to evaluate these technical distinctions carefully when choosing a messaging platform for sensitive personal or professional communication.

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