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US on high alert for Russian cyberattacks

Homeland security officials say that Russia may target U.S. infrastructure and banking systems in cyberattacks. Howard Marshall, global cyber threat intelligence lead at Accenture Security,

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Most US businesses ‘very vulnerable’ to cyber threat: Security expert

ABC News’ Linsey Davis speaks with former President Donald Trump’s Homeland Security Adviser and ABC News contributor Tom Bossert about the cybersecurity threat from Russia.