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PBS News Hour
Massive cyberattack 'detrimental' for national security
There is new and troubling information on a massive cyberattack in the U.S. The Cybersecurity and Infrastructure Security Agency has determined that the attacks on the government, critical infrastructure and the private sector, pose a serious risk to national security. Dmitri Alperovitch, co-founder of the think-tank of the Silverado Policy Accelerator, joins Judy Woodruff discuss.
