In the following engaging YouTube video, Eric Winsborrow gives a compelling TedX talk that describes the evolution of malware and provides an excellent description of the most well-known Cyber-attack on Industrial control systems-Stuxnet. Watch this video to gain an appreciation for the implications of cyber security and also a peek into what we might do to defend our industries from cyber-attacks in the future. Please address these points in your discussion submission:

How might really critical computers be protected from infection via USB stick like what happened in operation Olympics?

Could Iran have protected its centrifuges with devices not related to IT security?

What critical systems do you worry about the most from the aspect of Advanced Persistent Threats and why?