http://ssd.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/ps/module/guide-pratique-chiffrer-votre-iphone
With Advanced Data Protection enabled, your backups and most important files get the end-to-end encryption benefit, better securing your files against mass surveillance, rogue Apple employees, or potential data leaks. The trade-off is that Apple cannot help you recover this data if you lose access to your account, or any devices where the keys are stored.