With the release of iOS 16, Apple added end-to-end encryption for data stored in iCloud. This includes device backups, messages, photos, notes, reminders, and more. To turn on this optional feature:
- Open the Settings app.
- Tap your name, then tap iCloud.
- Tap Advanced Data Protection.
- Tap Turn On Advanced Data Protection.
- Enter the passwords for your Apple devices to activate the feature.