[wahern]

Apple's Secure Enclave utilizes a separate processor isolated from the main processor(s): https://support.apple.com/guide/security/secure-enclave-sec5...

It runs it's own microkernel-based OS to isolate individual tasks/functions to mitigate the impact of one of those tasks having exploitable bugs.

[transpute]

  eNclave
  eXclave

[wahern]

I stand corrected.

The best info I've been able to find about the architecture is https://www.df-f.com/blog/ios17 Is there more info available, yet? Might this be related to Apple's recent sponsorship of seL4--https://sel4.systems/news/#member-apple?