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2 votes
1 answer
834 views

Understanding Secure Boot

I'm trying to understand the secure boot process of an OS but there are few points I can't wrap my head around. At a high level, afaik, secure boot ensures that the loaded OS is authenticated by its ...
SpiderRico's user avatar
1 vote
1 answer
275 views

Does periodically rebooting secure-boot-enabled devices improve security by preventing persistent compromise?

Many devices now enforce verified/trusted/secure boot, which according to Wikipedia "will only allow signed software to run on the device." Platforms that support this feature include Android, iOS, ...
tonytan's user avatar
  • 698
9 votes
2 answers
2k views

UEFI Firmware integrity measurement

We know that UEFI measures the OS bootloader image integrity every time we power on our computer if secure boot is enabled. With the growing attacks and discoveries of UEFI vulnerabilities, the ...
kub0x's user avatar
  • 395
4 votes
2 answers
2k views

Detect changes in /boot when using full disk encryption

When running a fully encrypted linux system using dm-crypt, the /boot partition has to be unencrypted to boot, as far as I know. I've setup a server that can be unlocked remotely by connecting to a ...
Peter Meyer's user avatar