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Apple on Wednesday announced a raft of security measures, including an Advanced Data Protection setting that enables end-to-end encrypted (E2EE) data backups in its iCloud service.

The headlining feature, when turned on, is expected to secure 23 data categories using E2EE, including device and message backups, iCloud Drive, Notes, Photos, Reminders, Voice Memos, Safari Bookmarks, Siri Shortcuts, and Wallet Passes.

The iPhone maker said the only major iCloud data categories that are still not protected by E2EE are Mail, Contacts, and Calendar because of the “need to interoperate with the global email, contacts, and calendar systems” that use legacy technologies.

Advanced Data Protection’s E2EE protections for iCloud also mean that users’ personal data can only be decrypted on their trusted devices, which retain the encryption keys.

“If you enable Advanced Data Protection and then lose access to your account, Apple will not have the encryption keys to help you recover it — you’ll need to use your device passcode or password, a recovery contact, or a personal recovery key,” Apple explains in a support document.

images from Hacker News