How RFID access control fails when badges use broken MIFARE Classic, demonstrated with a Proxmark3, and the move to modern...

How a secure element like the ATECC608 protects device keys by generating them on-chip so a firmware dump yields nothing...

How power side-channel analysis with ChipWhisperer recovers an AES key from a chip's power draw, and the constant-time defenses against...

How Modbus security fails on a modern network, reading and writing a PLC with no authentication, and the segmentation that...

How one trusting MQTT broker exposes and controls an entire IoT fleet, and the per-device auth and topic ACLs that...

How LoRaWAN security is undermined by static ABP keys and ignored frame counters, and how OTAA with unique keys fixes...

How to harden U-Boot for production by locking the console, requiring verified boot, and protecting the environment before a product...

How to harden a FreeRTOS application with the MPU port, stack overflow detection, and unprivileged tasks so one bug cannot...

How to harden an embedded Linux userland with BusyBox and Dropbear, dropping privilege and shrinking what a foothold can reach.