this post was submitted on 19 May 2026
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Intel ME and AMD PSP: The silicon layer nobody certifies

About cloud sovereignty and the often-ignored and unknown on-CPU management engine running below the OS and BIOS.

The article is quite long; it explains how CPUs run firmware that can include remote management over the network, and can be running even when the OS is not. They can be vulnerable to supply chain attacks and firmware replacements. Because it's on hardware, the firmware with open security vulnerabilities is often not updated.

Regarding cloud, the French SecNumCloud is a framework for cloud infrastructure security requirements. It doesn't cover these hardware attack vectors specifically but may mitigate risks through surrounding practices and isolation.

In conclusion, even a cloud provider that meets SecNumCloud must be asked whether and how they manage CPU management engine attack vectors.

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[–] greyscale@lemmy.grey.ooo 13 points 23 hours ago (1 children)

I dunno man, ARM and RISC-V are pretty dope.

It'd be nice if, say, ST would shit out a EU market RISC-V linux SoC akin to the CV1800B or SG2002 or BL808. But like, europe fabs.

[–] realitista@lemmus.org 5 points 23 hours ago

Would need a ton of investment but at least ASML is also a European company.