Selinux, Computer Architecture, Linux Kernel, Operating Systems, Aspice, Cybersecurity, Embedded Software, C Programming, ISO SAE 21434, Risk Assessment, ARM-based SoCs, system hardening techniques, Tpm, threat modelling, Linux Kernel architecture, secure boot, process isolation, embedded Linux platforms, vulnerability analysis, AppArmor, Embedded System Design, Linux Kernel debugging, ISO 26262, TrustZone, secure software development practices