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Reverse Engineering iOS 18 Inactivity Reboot
Wireless and firmware hacking, PhD life, Technology
A recent news article by 404 media(while paywalled, the most important information is also contained in the related Tweet) reported on a law enforcement document about suspicious iPhone reboots. I also downloaded an older kernel where Apple accidentally included symbols and manually diffed these versions with a focus on the code related to inactivity reboot. Inactivity reboot will change the threat landscape for both thieves and forensic analysts, but asymmetrically so: while law enforcement is under more time pressure, it likely completely locks out criminals from accessing your data to get into your bank accounts and other valuable information stored on your iPhone.
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