I recently bought a new iPhone, and have received this message from 'Apple'.
//This is the final message to inform from 14 - August - 2015 that you have failed to completed your Apple ID details. Under "Know your Customer (KYC)" legal ruling Apple is required by guidelines to perform a validation of your information, failure to complete this validation will result in deletion of your iCloud within the next two working business days.
Please proceed below to »
Update your iTunes ID
To prevent the deletion of your Apple & iCloud proceed to your iCloud ID profile page before the deadline.
Resolution Validation Request: [number inserted]
Sincerely,
Apple Care //
Having looked at the English here, I won't be responding. Beware!
I think you are right - stay well away - I do a lot of reading on this type of subject and my conclusion is, with the regularity of hacking complaints, not to have anything to do with any form of cloud storage.