Security breach of my iCloud info

Apple does not make such calls.

All such calls are scams from criminals attempting to steal your personal and financial information. The callers will often use number spoofing to pretend they are calling from a legitimate business. The correct course of action is to hang up on them, repeatedly if needed. 

Avoid phishing emails, fake 'virus' alerts, phony support calls, and other scams - Apple Support

It was not valid.

Reporting it to anyone is pointless, as the criminals use number spoofing to pretend to be calling from a legitimate business. The numbers change all the time.