US has ‘significant’ cyber vulnerabilities, but a sweeping Russian cyberattack is unlikely
By Rob Kuznia, Blake Ellis, Daniel A. Medina, Isabelle Chapman and Bob Ortega, CNN In the winter of 2015, computer hackers working for the Russian government attacked Ukraine’s power grid and switched off the lights and heat to more than 200,000 consumers. Last year, a cybercriminal group with operatives in Russia launched a successful ransomware
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