“US National Security Agency chief Michael Rogers warned Tuesday that hackers will try to mount a cyber attack against US infrastructure, similar to the power failure in western Ukraine last year.
‘It’s only a matter of the when, not the if, you are going to see a nation state, a group or an actor engage in destructive behavior against critical infrastructure of the United States,’ Rogers told a cybersecurity conference in San Francisco.”
Source: NSA Chief Worries About Cyber Attack on US Infrastructure | SecurityWeek.Com