Also in the article "In December 2022, Apple introduced new security features, including Advanced Data Protection, which applies end-to-end encryption to severa

Also in the article "In December 2022, Apple introduced new security features, including Advanced Data Protection, which applies end-to-end encryption to several additional kinds of data. Apple calls this their “highest level of cloud data security”. Advanced Data Protection generates encryption keys on each of your iCloud-connected devices and encrypts eligible data before uploading it to iCloud. Apple does not have access to the keys required to decrypt that data."