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Meta Unveils Private Processing to Introduce AI Features on WhatsApp Without Compromising Privacy

The new framework uses Trusted Execution Environments to enable AI tools like summarization while preserving end-to-end encryption and user control.

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Overview

  • Meta's Private Processing framework will allow WhatsApp users to opt into AI features such as message summarization and composition while maintaining the app's end-to-end encryption guarantees.
  • The system leverages Trusted Execution Environments to isolate and process data securely, ensuring no access to user messages by Meta, WhatsApp, or third parties.
  • Users will have granular privacy controls, including an Advanced Chat Privacy setting to block AI use in specific chats, export restrictions, and media auto-downloads.
  • Meta has opened Private Processing to third-party audits, integrated it into its bug bounty program, and plans to open-source components for transparency and security validation.
  • Security experts acknowledge the robust design but caution that off-device AI processing could attract sophisticated attacks, making the infrastructure a potential target.