Over the last decade, we have witnessed a stunning evolution of the electromagnetic ecosystem towards increasingly sophisticated forms. This incipient revolution is driven by a variety of societal needs ranging from the growing demand for faster, smarter, more responsive and more robust wireless communication, to an exponential increase of Internet-connected devices (e.g., smartphones, connected tablets and wearables). The emerging challenges spur the imagination and creativity of the wireless research community, driving them to endeavor towards the development of new communication protocols and protection schemes against undesirable (deliberate or accidental) electromagnetic assaults. This thesis aims to address these needs. From one side, we have developed wavefront-shaping protocols, based on statistical methods, that optimally deliver electromagnetic energy at a specific target located inside the complex enclosure. On the other side, we have developed, and experimentally demonstrated, the new protection technologies, which rely on the concept of photonic reflective limiters. These photonic structures aim to protect sensitive electronics from harmful incident radiation, while at the same time demonstrate an enhanced self-protection characteristics.