EmSPARK Security Suite for STMicroelectronics is a firmware security solution pre-configured for STM32 microprocessors (specifically the STM32MP1 series), targeting Industrial, Consumer, Smart Home, and Healthcare embedded device applications. The suite leverages Arm TrustZone technology to enforce hardware-based domain isolation, separating security-critical tasks from non-secure operations. It provides a streamlined secure boot implementation that ensures integrity and confidentiality across the entire boot chain, from bootloader through the Trusted Execution Environment (TEE) to the Linux kernel. Security functions are abstracted via Linux APIs, allowing firmware developers to access pre-built, TrustZone-secured capabilities without deep security expertise. These include secure storage, key store and certificate management, cryptographic operations, and OTA firmware updates with failover protection. EmSPARK also addresses secure volume manufacturing by providing tools and processes that enable OEMs to provision devices in untrusted manufacturing facilities without exposing firmware, keys, or certificates. This helps prevent unauthorized device manufacturing and IP theft. Additional capabilities include protection of critical IP such as AI/ML algorithms at the edge, integration of device security metrics with cloud platforms, and firmware packaging tools with robust APIs for implementation.