![]() Doing so required them to now boot to the Recovery HD to disable SIP first. SIP was the beginning of protecting the Mac operating system from external threats like malware, or even administrators, by removing their ability to modify it directly. ![]() The line where the transition began is blurry, but a good place to start is with OS X El Capitan 10.11, which is when Apple introduced System Integrity Protection (SIP). That’s because it had to go through a series of major changes over time to match the level of security built into iOS from the start. The Mac, though, didn’t have this speedy and convenient option until very recently. The road to Erase All Content and Settings on macOS The operating system was always there and didn’t need reinstalling, and it was as up-to-date as the last update applied. When the consumer was ready to sell their iPhone or maybe hand it over to a family member to use, the Erase All Content and Settings feature simply deleted the encryption key to the data partition and left the operating system partition alone. It remained read-only and unchangeable during normal use. The operating system partition only changed when applying an update. Next, the iPhone storage was partitioned into a read-only operating system partition and a writeable data partition. But Apple never gave the consumer direct access to the iOS operating system itself. Adding a PIN code gave the consumer a means to decrypt the device for use and a way to protect their data when not in use. Remember, the iPhone was a consumer product first, and Apple needed to make this process consumer friendly.įirst, the data storage on iPhone has always been encrypted. Apple designed this feature from the ground up to be a secure method for resetting an iPhone without having to reinstall iOS. How Erase All Content and Settings worksįor more than a dozen years - at least since the iPhone 3 - iOS has supported Erase All Content and Settings. Our goal should be to move the practice of erasing the entire Mac disk to its own little isolated island in the middle of the Dead Sea.
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