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U.S. Says North Korea Was Behind WannaCry Cyberattack

  • Homeland security adviser Tom Bossert says U.S. has evidence
  • Kim Jong Un’s regime has grown adept at hacking computers
Jeanette Manfra, assistant secretary for cybersecurity and communication at the Department of Homeland Security, right, and Tom Bossert, assistant to President Donald Trump for DHS, center, arrive for a briefing at the White House in Washington on Dec. 19, 2017. 

Jeanette Manfra, assistant secretary for cybersecurity and communication at the Department of Homeland Security, right, and Tom Bossert, assistant to President Donald Trump for DHS, center, arrive for a briefing at the White House in Washington on Dec. 19, 2017. 

Photographer: Al Drago/Bloomberg
Updated on

The U.S. blamed North Korea for the WannaCry ransomware attack that affected hundreds of thousands of computers globally this year, offering further justification for the White House’s campaign to step up international pressure on the regime.

“After careful investigation, the United States is publicly attributing the massive WannaCry cyberattack to North Korea,” White House homeland security adviser Tom Bossert told reporters Tuesday. “We do not make this allegation lightly. We do so with evidence, and we do so with partners.”