Critical, top secret Apple code for the iPhone’s operating system was posted on Github, opening a new, dangerous avenue for hackers and jailbreakers to access the device, Motherboard reported. The code, known as “iBoot,” has since been pulled, but Apple may have confirmed it was the real deal when it issued a DMCA takedown to Github, as Twitter user @supersat noted.
iBoot is the iOS code that ensures a secure boot by loading and checking that kernel is properly signed by Apple before running the OS. The version that was posted to Github, supposedly by a Twitter user named @q3hardcore, was for iOS 9, but much of it likely still exists in the latest version, iOS 11.
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Source: Engadget