Honestly I didn’t realize icloud backups were encrypted by a key Apple controls. I assumed they leveraged the same key sharing tech as iMessage ...

I’m turning off iCloud backup — the only reason I have it on actually is to turn off the annoying backup nags. My photos are in iCloud, and so are my messages - I actually can’t think of anything valuable outside of those that I’d actually need iCloud backup for ...

It doesn’t seem worth the risk