Do I Need a Secure Element If My MCU Has a Crypto Accelerator?
Why a hardware accelerator and a secure element aren’t substitutes for each other, when one is enough, and when you actually want both.
Embedded-Security
What TrustZone-M Adds to Your Build
A walk through what TrustZone-M adds to a build: two projects, two memory maps, SAU configuration, the veneer region, and signed images. None of it is gratuitous.
Hardware Root of Trust: What It Actually Means
Hardware Root of Trust is one of the most-used and least-understood terms in embedded security. What it is, what it isn’t, and how to tell whether a product genuinely has one.
Why Your Secure Boot Probably Isn't Actually Secure
Most secure boot implementations look fine on paper but fail under realistic threat models. Eight common pitfalls — and what fixing them requires.