After being hit by a 0-click exploit in iMessage last year, Apple has been hard at work to improve the security of its platform, writes Google security researcher Samuel Groß. One of the major changes in iOS 14 is BlastDoor, a tightly sandboxed service responsible for parsing all untrusted messages, along with better randomization of the shared cache region containing all system libraries, and the use of exponential throttling to counter brute-force attacks.

Read full article on InfoQ