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3
votes
2answers
518 views

Can a physical attacker compromise a Windows machine with UEFI, secure boot and bitlocker?

Machines such as the MS Surface Pro 3 comes with bitlocker encryption and UEFI secure boot out of the box. However, the default boot order is network -> usb -> ssd. If an attacker gets physical ...
5
votes
1answer
645 views

TPM bootstrap process

Assume that the file partition where the PC operating system and user data reside are sealed by a number of PCRs (Platform Configuration Registers) dedicated to BIOS measurements. What happens during ...
3
votes
1answer
289 views

Lighteater - BIOS/UEFI vulnerable

I am currently a bit confused, I have read today an article about the BIOS-rootkit Lighteater made by John Loucaides and Andrew Furtaki. In their presentation 'How many million BIOSes would you like ...
4
votes
2answers
951 views

How is hibernation supported, on machines with UEFI Secure Boot?

I've been learning about UEFI Secure Boot, which attempts to prevent "bootkits" by locking down the boot process so that only signed bootloaders and kernels can be loaded. Hibernation seems like a ...