Firmware Signing vs Encryption: Secure Updates, Secure Boot, and Read-Only Embedded Systems
Oct 6, 2026 · 20 min read
Understand firmware signing, encryption, secure boot, and read-only filesystems with practical Linux and MCU examples, key-management advice, update safety tradeoffs, and a production checklist.
OTA Firmware Updates: How to Update Embedded Devices Safely
Aug 25, 2026 · 10 min read
A practical engineer's guide to designing safe OTA firmware update systems for embedded devices. Learn about bootloaders, A/B partitions, signature verification, rollback mechanisms, and how to prevent bricking devices during updates.