US Blames North Korea for WannaCry Ransomware Attack

The U.s.a. government is officially blaming North Korea for the WannaCry ransomware attack that struck computers beyond the globe dorsum in May.

Tom Bossert, President Donald Trump's homeland security adviser, made the claim in an op-ed to the Wall Street Journal on Monday.

SecurityWatch "The attack was widespread and cost billions, and North Korea is straight responsible," Bossert wrote.

"We do not make this allegation lightly," he added. "It is based on bear witness. Nosotros are not alone with our findings, either."

Other governments and private companies including the UK and Microsoft agree with the US'due south determination, he said. What evidence they have wasn't presented in the op-ed, but the White Firm reportedly intends to issue a follow-upwardly statement on Tuesday.

Bossert also warned that Democratic people's republic of korea'due south "malicious behavior" has been ramping up, but that the US authorities intends to respond.

"Malicious hackers belong in prison house, and totalitarian governments should pay a price for their deportment," he wrote, adding "The tool kits of totalitarian regimes are too threatening to ignore."

The op-ed called on world governments and businesses to cooperate with the US to fight cyber threats. But information technology added: "When we must, the The states will human action alone to impost costs and consequences for cyber malfeasance."

Bossert didn't say what specific actions the US might take against Due north Korea, only he said it was important to call out the bad behavior. He also noted that Microsoft did brand efforts to disrupt activities by Due north Korean hackers final week, simply Bossert didn't elaborate.

Microsoft did not immediately respond to a request for comment.

WannaCry was a massive cyber attack that infected vulnerable Windows machines with ransomware, locking out users from their computers. What fabricated WannaCry particularly devastating was that it managed to spread itself like a estimator worm to over 200,000 machines through the use of stolen NSA cyberweapons.

Days after the assault, security researchers began to suspect Democratic people's republic of korea was behind the assault. An earlier version of the WannaCry ransomware shared coding similarities with past hacks from the Lazarus Group, a shadowy hacking collective many believe work for the North Korean authorities. North korea has reportedly denied any involvement with WannaCry.

Three years ago, the Obama administration blamed North Korea for the hack of Sony Pictures, and later on hit the land with sanctions.