Introduction to iCloud
iCloud is the service from Apple that securely stores your
contacts, photos, files, notes, passwords, and other data in
the cloud and keeps it up2date across all your devices,
automatically. iCloud also makes it easy to share photos,
files, notes, and more with friends and family. You can also
back up your iPhone, iPad, or iPod touch using iCloud.
iCloud includes a free email account and 5 GB of free
storage for your data. For more storage and additional
features, you can subscribe to iCloud+.
iCloud (is built into every Apple device)
http://www.apple.com/icloud/
iCloud User Guide
https://support.apple.com/guide/icloud/introduction-to-icloud-mm74e822f6de/icloud
What does iCloud back up?
https://support.apple.com/en-us/HT207428
https://support.apple.com/en-us/HT202303
iCloud Drive (Any type of file - All in one place)
https://support.apple.com/en-us/HT201104
The files you keep safe in iCloud Drive are easy to get to,
no matter which device you're using. You can access all your
files from the Files app on iOS and iPadOS, the Finder on
your Mac, or iCloud.com.
How does iCloud work? (advanced)
https://eclecticlight.co/2023/07/17/how-does-icloud-work-plus-a-new-version-of-cirrus/
iCloud Security (Data categories and encryption)
https://support.apple.com/en-us/HT202303
E2EE (End-to-end encrypted data)
https://support.apple.com/en-us/HT202303
End-to-end encryption provides the highest level of data
security. On each of your devices, the data that you store
in iCloud and that's associated with your Apple ID is
protected with a key derived from information unique to that
device, combined with your device passcode which only you
know. No one else, not even Apple, can access end-to-end
encrypted information.
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