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Experts See Possible North Korea Links to Global Cyberattack

Cybersecurity experts are pointing to circumstantial evidence that North Korea may be behind the global “ransomware” attack: the way the hackers took hostage computers and servers across the world was similar to previous cyberattacks attributed to North Korea.

Simon Choi, a director at South Korean anti-virus software company Hauri Inc. who has analyzed North Korean malware since 2008 and advises the government, said Tuesday that the North is no newcomer to the world of bitcoins. It has been mining the digital currency using malicious computer programs since as early as 2013, he said.

In the attack, hackers demand payment from victims in bitcoins to regain access to their encrypted computers. The malware has scrambled data at hospitals, factories, government agencies, banks and other businesses since Friday, but an expected second-wave outbreak largely failed to materialize after the weekend, in part because security researchers had already defanged it .

Choi is one of a number of researchers around the world who have suggested a possible link between the “ransomware” known as WannaCry and hackers linked to North Korea. Researchers at Symantec and Kaspersky Lab have found similarities between WannaCry and previous attacks blamed on North Korea.

While Choi’s speculation may deepen suspicions that the nuclear-armed state is responsible, the evidence is still far from conclusive. Authorities are working to catch the extortionists behind the global cyberattack, searching for digital clues and following the money.

“We are talking about a possibility, not that this was done by North Korea,” Choi said.


About That North Korea Link

WannaCry paralyzed computers running mostly older versions of Microsoft Windows in some 150 countries. It encrypted users’ computer files and displayed a message demanding $300 to $600 worth of the digital currency bitcoin to release them; failure to pay would leave the data scrambled and likely beyond repair .

The hackers appeared to have…

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