How hackers are targeting American cities using tools from the dark web

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A New York Times investigation revealed more than 40 U.S. cities were victims of cyberattacks this year, with some even being held hostage for millions of dollars. New York Times reporter Manny Fernandez and Cybersecurity firm Adlumin CEO Robert Johnston join MSNBC’s Chris Jansing to break down what can be done to prevent future cyberattacks.