As a product manager for the Cortex-M33, I see this question pop up a lot. Below is my version of the answer.

Characteristics of TrustZone technology

• TrustZone is the security foundation for billions of ARM Cortex-A processor-based systems
• TrustZone…

Root of Trust implementation – Connected devices with authentication requirements need a root of trust in the system architecture. This is particularly important for devices that can be updated over the air. In a system with TrustZone technology, code…