End-to-end encryption (E2EE) is no longer adequate for ensuring complete privacy in messaging apps like WhatsApp and Signal. While E2EE protects message content, the recent 2024 Telegram data leak exemplifies vulnerabilities from metadata collection, exposing sensitive user information. Risks include tracking financial transactions, social connections, and location data, making users susceptible to cyberattacks even when messages themselves are encrypted. The article emphasizes the evolving nature of cyber threats and the need for comprehensive security measures beyond just encryption.
Even with E2EE, messaging apps can still collect and expose sensitive metadata, making users vulnerable to surveillance and cyberattacks.
The limitations of end-to-end encryption include risks like metadata exposure, geolocation tracking, and app usage patterns that can signal sensitive information.
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