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Protecting Critical Infrastructure

Industrial control systems are a profoundly important part of the critical infrastructure of the United States, but they are also increasingly vulnerable to cyber-attacks. The Cipher Brief spoke to former National Security Agency official Rhea Siers about the growing threat to these systems.  Siers says the U.S. is getting better at protecting these systems, but there are still a number of vulnerabilities that need to be addressed.

The Cipher Brief: Some of our readers may not be familiar with industrial control systems (ICS), could you briefly explain what they are and why they are important?

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