Hot answers tagged grub
Best option is just to encrypt the Linux partition, e.g. with LUKS. That way the Windows 7 partition can't actually access any of the data on the other partition. Technically it can still read and write to the partition (there's no way to prevent this) but the data it sees is all encrypted.
This depends what you mean by “the overall concept of secure boot”. Pretty much all secure boot systems have several components, starting with one in ROM and ending with an operating system or even programs within that operating system. A typical boot chain is ROM → OEM bootloader → OS bootloader → OS kernel → OS startup programs. A typical secure boot ...
This is using Trusted Platform Module to defeat the Evil Maid Attack. In short this is to insure that your bootloader hasn't been tampered with, which could undermine an encrypted file system.
There are some variables to take into account. First of all it's not trivial to just access the Linux partitions. Mainly because, natively, Windows does not support ext3 or ext4 which are used to install Linux on. Without these drivers it's impossible to access the drives. Malware will, normally, not have onboard read/write drivers for these filesystems. ...
I recommend locking down GRUB and taking away access to the GRUB shell. GRUB manual: Authentication and authorisation (Archived here.) By default, the boot loader interface is accessible to anyone with physical access to the console: anyone can select and edit any menu entry, and anyone can get direct access to a GRUB shell prompt. For most systems, ...
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