No one doubts that the Internet of Things (IoT) represents a massive opportunity for businesses and consumers. Most organizations are only just starting to scratch the surface of what they can achieve with IoT solutions. On the other hand, security is what really needs to be designed from the very beginning of developing IoT services and products. The growing threat of cyberattacks has made governments and companies more aware of the need to defend the computerized control systems of utilities and other critical infrastructure.