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2. SmithR.: ‘How a U.S. Utility got hacked’ The Wall Street Journal 30 December 2016
3. SmithR.: ‘Russian hackers reach U.S. utility control rooms homeland security officials say’ The Wall Street Journal 23 June 2018
4. CaineP.: ‘Russian‐backed hackers infiltrating US power grid’ WTTW 7 August 2018
5. WilberD.Q.: ‘Russian malware found on Vermont electric utility laptop’ Los Angeles Times CA 31 January 2017