kapynAI / Models

How Meta Is Strengthening End-to-End Encrypted Backups

Meta is enhancing end-to-end encrypted backups for WhatsApp and Messenger using an HSM-based Backup Key Vault. This system stores recovery codes in tamper-resistant hardware, making them inaccessible to Meta and improving user privacy for message history backups.

Meta Engineering·May 1, 2026

Opening Kapyn…