From Nordic: "Why TrustZone Matters for IoT"

Arm TrustZone explained - microcontrollertips.com Dec 28, 2017 TrustZone | TrustZone for Cortex-A – Arm Developer Arm TrustZone is used on billions of applications' processors to protect high-value code and data. It is frequently used to provide a security boundary for a GlobalPlatform Trusted Execution Environment. TrustZone is built on Secure and Non-secure worlds that are hardware separated.

Trust.Zone VPN - Free download and software reviews - CNET

AMD Secure Technology: Ultimate Protection | AMD

What Is Arm TrustZone Technology? - Hardware Based

Apr 17, 2020 Introduction to Trusted Execution Environment and ARM's It is compatible with ARM’s TrustZone and Intel’s Virtualization Technology. OP-TEE (Open Portable Trusted Execution Environment) is an open source TEE designed as a companion to a non-secure Linux kernel running on ARM Cortex-A cores using the TrustZone technology. And there are many more implementations.