Nowadays, embedded devices are taking on a significant degree of pervasiveness in many sectors of our daily life, from industry to home automation, from healtcare to the urban dimension. These devices are responsible for creating and managing an extraordinary amount of data concerning our lives, which poses equally extraordinary challenges: on the one hand, it becomes essential to secure the entire data traffic, and on the other, equally important, these systems need to be reliable and not easily manipulated, according to the resilience-by-design paradigm. Physical security is fundamental but insufficient, since many breaches can be opened by the code that such systems run.