iPhone icloud backup (password security)

[Michael]

mhm.
I got my information from here:

Are my cloud passwords safe?

Cryptomator uses the official SDKs for the various cloud storage services. If I’m not mistaken, all of them use OAuth for authentication. In short: No, Cryptomator doesn’t have access to your (cleartext) credentials. But the application still has the permission (via the access token) to fully read/write your cloud storage. It won’t work without this permission, I mean also the encrypted data has to be read/written somehow. There is one exception though: Cryptomator actually stores…

There is one exception though: Cryptomator actually stores the cleartext credentials for WebDAV. But(!) the password is stored inside the iOS keychain.

Maybe i got something wrong.