understanding "secure boot"

Hello,

I would please like to ask about “secured boot”, is it actually securing of “malicious” u-boot binary or securing also kernel/filesystem ?

Thank you,
ranran

Hi ranran

Please refer to the video for more understanding:
https://www.brainshark.com/nvidia/Jetson_Security_SecureBoot?dm=5&pause=1&nrs=1

Thanks