Safety, Security & Reliability
Safety standards, security fundamentals, OTA updates, and reliability engineering
4 topics
Critical for safety-critical and secure systems
Safety, Security & Reliability
intermediate
Industry safety and security standards
Overview of embedded industry standards: IEC 61508, ISO 26262, IEC 62304, DO-178C, and MISRA C — what firmware engineers need to know for interviews.
safety
standards
iso-26262
iec-61508
+2
Interview Weight: 3/10
Safety, Security & Reliability
intermediate
OTA updates and rollback
Design reliable over-the-air firmware updates: A/B partitioning, delta updates, rollback strategies, update security, and power-fail safety.
ota
firmware-update
rollback
a-b-partitioning
+2
Interview Weight: 3/10
Safety, Security & Reliability
intermediate
Safety mechanisms for embedded systems
Implement safety mechanisms: defensive programming, watchdog strategies, memory integrity checks, redundancy patterns, and fail-safe vs fail-operational design.
safety
watchdog
redundancy
defensive-programming
+2
Interview Weight: 3/10
Safety, Security & Reliability
intermediate
Secure boot and cryptography
Understand secure boot chains, hardware crypto accelerators, TLS for embedded, key management, and common embedded security attacks.
security
secure-boot
crypto
tls
+3
Interview Weight: 3/10