Apple has a hidden feature for you in its iPhones: call logs going back as far as four months are stored in near real-time in the iCloud. That’s the warning today from a Russian provider of iPhone hacking tools, Elcomsoft, which claimed the feature was automatic and there was no way to turn it off bar shutting down iCloud Drive altogether.
http://www.forbes.com/sites/thomasbrewster/2016/11/17/iphone-call-logs-in-icloud-warns-elcomsoft-hackers/#42c674b72936