And now that the iBoot source code is in the hands of anyone who wants a copy, it's likely to give hackers ideas, inspiration, and above all, vulnerabilities to allow them to crack open older devices. This ensures the code on the phone that's being run originates from Apple.
"Apple isn't prone to open-sourcing its code so most understanding of iOS" internals has been acquired through reverse-engineering attempts.
It said it always encouraged customers to keep up to date with operating system upgrades.
Which, to the layman, seems like a big deal - but Apple says the source code that was leaked is outdated, meaning newer versions wouldn't be affected. Also, the reason this code is so vital as it is responsible for starting up an iOS device, or in other words, loads iOS in the first place each time the device is turned on.
The Cupertino giant may have not officially confirmed the alleged iOS source code leak but it has indirectly done so by sending a legal notice to GitHub, asking it to take the iBoot code down. However, as a precautionary measure, the company has removed the code from GitHub via a DMCA takedown notice.
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Andy Kays, chief technology officer at British cybersecurity firm Redscan, told Sky News: "The release of the iBoot code demonstrates that vendors can't take it for granted that source code will always remain hidden". Apple has not responded to requests to comment on the leak. First off, believe it or not, there are a ton of users out there who own Apple devices that are more than three years old; MacWorld says that almost 95% of Apple customers use older versions of iOS.
That said, there are many who are claiming this to be the biggest leak ever in the history of iOS or even Apple. This has made the software development platform to remove the controversial iOS source code though enough damage could have already been done.
While the leak just gained mainstream attention this week, the code has been floating around for a while.
iBoot is part of the operating system that will enable the secure boot chain.
The importance of the iBoot can be gathered from the fact that Apple offers $200,000 as bounty to security experts who discover loop holes in its system code.
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