"Once a new technology rolls over you, if you are not part of the steamroller, you are part of the road." – Stewart Brand
Secured connectivity underpins the success of the industrial internet. The internet and cloud connectivity have already enabled many industrial enterprises to streamline operations and profitability. In addition to cloud connectivity, IIoT use cases such as smart cities and connected cars also require horizontal interconnectivity and interoperability across vertical technologies and systems.
However, interconnectivity exposes industrial systems to newer threats and attack surfaces. For example, the adoption of cloud-connected ICS systems, SCADA-as-a-service, and so on has been accompanied by a steady rise in security incidents. Attacks targeting industrial control systems were reported to have increased by 110 percent...