The checkm8 exploit is one of the most important vulnerabilities ever discovered in Apple’s boot architecture. It permanently changed: Unlike software vulnerabilities, checkm8 cannot be patched through iOS updates. Why? Because it attacks the BootROM — the hardware root of trust. This article explains: What is checkm8? checkm8 is a permanent BootROM exploit discovered by axi0mX in 2019. It affects Apple devices using: A5 → A11 chipsets This includes: The exploit provides: This makes it one of the most powerful…