The factory was proud of Fastboot. "It's for flexibility!" they said.
fastboot flash boot malware.img The device replied: fastboot secure boot
Alex saw the post and replied: “Exactly. You didn’t sign it with our private key, so the bootloader rejects it. That’s the point.” Soon, security researchers praised the system. Malware could no longer persist through a Fastboot reflash. Repair shops could still flash factory-signed rescue images. The factory was proud of Fastboot