Verified Boot has been on Android devices since version 4.4. Mark, an attacker, installs a custom bootloader on a stolen device with Android version 8. When it boots up, Mark sees an error on the screen that the device cannot boot. What is preventing the device from booting up?
(A) The root of trust stored in hardware does not match the newly installed bootloader.
(B) Mark simply needs to restart the bootloader one more time after installing.
(C) Mark needs to boot the device from safeboot by using hardware buttons at boot time.
(D) Rate limiting has prevented Mark from being able to enter in a passcode