Modern iOS Security Features – A Deep Dive into SPTM, TXM, and Exclaves
The XNU kernel is the basis of Apple’s operating systems. Although labeled as a hybrid kernel, it is found to generally operate in a monolithic manner by defining a single privileged trust zone in which all system functionality resides. This has security implications, as a kernel compromise has immediate and significant effects on the entire system. Over the past few years, Apple has taken steps towards a more compartmentalized kernel architecture and a more micr … ⌘ Read more