Security researcher Jiska Klassen detailed the new feature that automatically reboots iPhones running iOS 18 to protect data.
The innovation appeared in iOS 18.1. It does not use a wireless connection. Instead, this feature uses the Secure Enclave Processor (SEP) to identify when the iPhone was last unlocked.
If the last unlock was less than three days ago, the SEP notifies the source, which kills the Springboard and initiates a reboot. If something prevents the kernel from rebooting the iPhone, the system will automatically crash the kernel and reboot the device. It also sends analytics data to Apple when the device enters the aks-inactivity state.
Since everything related to rebooting due to inactivity happens in the SEP and not primarily on iOS, it is much more difficult to bypass the coprocessor itself – even if the main kernel is compromised (for example, to perform a jailbreak). [9to5]
Source: Iphones RU
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