The MacRumors forum reported a serious flaw in iOS 8s Reset All Settings Option which causes the deletion of iCloud Drive documents. Apple was criticized for the way its security experts managed the flaw in iCloud file storage service that, according to multiple sources, was exploited by hackers to steal nude photos of celebrities. The company has announced and implemented a series of security improvements to protect the users privacy with the new version of mobile operating system, iOS 8.0.1.”]
Source: https://securityaffairs.co/wordpress/28813/hacking/ios-8s-reset-all-settings.html