For windows instal Seal of Evil12/27/2023 If that includes you, you can let me know why below, but I suspect there are two main reasons: stopping a thief from being able to use your computer, and more importantly, the next point. This is used, for example, by corporate sysadmins to lock down machines they give to employees, allowing the machine to connect to the company VPN without any risk of the employee maliciously leaking the VPN details online. Simply replace all secure boot keys with your own and sign your images. It can stop someone else booting unauthorised images on your machine. So there is a tangible benefit to Windows users. the equivalents of selinux/apparmor/grsecurity) that can restrict the damage it can do. But the idea is that malware running as root is still less powerful than a rootkit, because of kernel features (e.g. Of course, for the computer to have reached this state, there must have been malware running as root anyway, so you're already pretty pwned. If such a rootkit is installed, the computer will refuse to boot, alerting the user to the presence of the malware so they can then remove it. with Secure Boot enabled but possible to disable in BIOS, guarantees this. The way that Windows laptops are usually shipped, i.e. It can protect against malware from installing rootkits that infect the kernel or bootloader. (I've done the obligatory reading of Lennart's blog entry … linux.html, and nothing I've said conflicts with it because I'm only talking about Arch Linux here.) Goals of Secure Bootįirst let's look at what the benefits of Secure Boot are supposed to be. The correct way to solve problem 2 requires a missing feature in systemd-boot, or whatever other bootloader you're using.īelow I'll attempt to explain my reasoning for these statements. The Arch Wiki's advice for automatically unlocking a LUKS volume on boot leaks your disk decryption key in certain common setups. Secure Boot provides no benefit to an Arch Linux installation that can't be better achieved using the TPM. Assuming I've not misunderstood something, I've come to the following albeit slightly controversial conclusions. I've been doing a lot of reading over the last few days to understand what Secure Boot and the TPM2 chip can do for my security, and how best to take advantage of them.
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