Last September, Apple said it leveraged its hardware and operating system expertise into a technology called Memory Integrity Enforcement (MIE), which it described as “the culmination of an unprecedented design and engineering effort, spanning half a decade.”

With Claude, building the code that exploited the two MacOS bugs took five days, Calif says.

P.s. this is a gift link, so no paywall

https://www.wsj.com/tech/ai/anthropic-mythos-apple-macos-bug-339da403?st=5DbzuT