According to MIT Technology Review, the kernel of iOS 10 beta is unencrypted, which allows anyone to examine the code. The unencrypted kernel makes it vulnerable to both security flaws and jailbreak. Previously, Apple had encrypted all the iOS kernels.
The goodies exposed publicly for the first time include a security measure designed to protect the kernel from being modified, says security researcher Mathew Solnik. “Now that it is public, people will be able to study it [and] potentially find ways around it,” he says […]