> how does Apple “guarantees authenticity” of the opposite device, to ensure it doesn’t brick it or gets bricked by it? The same way they do it with webpages,

> how does Apple “guarantees authenticity” of the opposite device, to ensure it doesn’t brick it or gets bricked by it? The same way they do it with webpages, Messages, and email. JailbreakMe.com used a TIFF exploit to jailbreak your phone 10 years ago--they patched it. iOS 14 added a thing called BlastDoor to protect Messages from malicious data. I don't see how documenting it changes anything.