In retrospect, 2021 passed as a whirlwind for those of us in cybersecurity. We experienced an accelerated shift toward a world in which its distinctions, definitions and categorical identities grew ever more porous.
The physical and digital worlds continued to merge, so much so that any barrier that had existed between them is now nearly gone. The growth of this porosity and its associated increase in attack vectors was exacerbated by expansion of the Internet of Things (IoT) and the more intertwined and connected environment it creates.