A successful attack is among the major risks worrying the U.S. government. As Michael Rogers, commander of U.S. Cyber Command testified to the US House of Representatives Intelligence Committee: “ We have seen instances where we are observing intrusions into industrial control systems. What concerns us is that access… can be used by nation states, groups or individuals to take down [their] capability,” he said. ICSs are a growth area of vulnerability, he added. “It’s among the things that concern me the most.” HONEYWELL-2015-Identifying-Cyber-Risks-and-Addressing-the-Cyber-Security-Gap.pdf

HONEYWELL (2015) Identifying Cyber Risks and Addressing the Cyber Security Gap