this post was submitted on 30 Nov 2023
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Piracy: ꜱᴀɪʟ ᴛʜᴇ ʜɪɢʜ ꜱᴇᴀꜱ
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Have you heard of Android running on x86?
I had an x86 Android tablet and that was exactly as locked-down as an ARM Android device.
But anyhow: I can lock down a x86 laptop or PC the way I was describing within a very short time.
So again:
chown root:root
andchmod 700
on anything you don't want the user to touchAnd if a company was doing this to their products (e.g. the Steam Deck), they'd replace the first 3 steps with a custom BIOS which just doesn't let you change anything in regards to Secure Boot and Secure Boot keys. That way, removing the BIOS battery won't help.
There are countless embedded devices using an x86 PC at their core, where they did exactly that. (E.g. ATMs or medical devices)
Also Chromebooks are exactly that.
And the Playstation 5 does the same thing, only it's based on FreeBSD.