Recent iPhone models have additional hardware-based security protection for sensitive regions of the kernel memory. We discovered that to bypass this hardware-based security protection, the attackers used another hardware feature of Apple-designed SoCs.
Lockdown mode was released by Apple after these devices had already been infected for 3+ years, and was a response to evidence that iMessage preview functionality was already actively being exploited to spy on people.
Iirc lockdown mode would prevent this exploit from working
Lockdown mode was released by Apple after these devices had already been infected for 3+ years, and was a response to evidence that iMessage preview functionality was already actively being exploited to spy on people.