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Once upon a time, in-progress files were stored locally on a Mac, a design that gave users more ability to prevent sensitive files—say, those created on the fly to store passwords, a Social Security Number, or confidential client-attorney work product—from being accessed via law enforcement or national security dragnets. Whereas locally stored files residing on a FileVault-protected Mac require the adversary to have physical access and possession of crypto key, the bar for accessing files stored in iCloud is lower, according to former National Security Administration contractor Edward Snowden.The iCloud autosave provides a convenience that many users no doubt are happy to have. After all, the cloud copies allow users to pick up right where they left off when switching Macs or turning on an iPhone or iPad to resume work on an unfinished letter, presentation, or other type of document. But critics object to the behavior being turned on by default without a more explicit warning that it funnels potentially sensitive data to Apple servers."I think the iCloud thing is really nasty behavior (and it’s apparently in Mavericks too) so I’m surprised that it hasn’t been mentioned in the tech press," Matt Green a professor specializing in cryptography at Johns Hopkins University, told Ars. "I’m sure someone will twig to it soon."As Paul noted, the autosave feature is turned on unless users take action to disable it. One way is to turn it off within the settings can be accessed in System Preferences > iCloud > Documents & Data. Another way is to save a blank file and then type notes afterward.
Hackers backed by the central Chinese government have been staging man-in-the-middle (MITM) attacks on Apple's iCloud in an attempt to steal iCloud user data such as iMessages, photos and contacts. According to Greatfire.org, a research group focused on Internet censorship in China, the attacks took place when Apple launched iPhone6 in China on Oct. 17.In the course of the attacks, hackers interposed their own website, with a fake iCloud.com certificate, between users and Apple's iCloud server to intercept user data. Earlier that day, Google, Github and Yahoo faced similar attacks aimed at stealing their users’ passwords......
You think only mac's store unsaved files?PC's have been doing it for years, with a feature called Autosave, has rescued many a worker when their PC or application crashed...
