Security officials around the world expressed relief as the spread of the virus seemed to slow its pace, though not before freezing files and demanding ransom from the operators of hundreds of thousands of computers in at least 150 countries, including the United States. Fewer than 10 US organizations have reported attacks to the Department of Homeland Security since Friday, a USA official told reporters on Tuesday.
The United States likely avoided greater harm as the attack targeted older versions of Microsoft Corp's (MSFT.O) Windows operating system, and more U.S. users have licensed, up-to-date, patched versions of the software, compared to other regions of the world.
Two law enforcement officials say US investigators suspect North Korea may be behind the global "ransomware" attack.
"We are not aware of payments that have led to any data recovery", White House Homeland Security adviser Tom Bossert said at a daily briefing. According to Mehta's discovery, the "Lazarus Group" that works on behalf of North Koreans may be behind the attack as the hacking group has, in the past, used the same coding and tools as were used in "WannaCrypt" - the software used in the current hacking into the Microsoft operating software, the BBC reported on Tuesday. But, on this Monday, these cyber security researchers have found a trace linked towards North Koreans, which is not quite a surprise though, because of their isolations it has become predicted their involvement in any of global presence, says an expert.
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"We are talking about a possibility, not that this was done by North Korea", Choi said.
In 2016, the North Korean government stole no less than $81 million from Bangladesh' Central Bank. The 2014 Sony hack was also pinned on the hacker collective.
North Korea has denied being behind the Sony and banking attacks.
In China, foreign ministry spokeswoman Hua Chunying said she had no information to share, when asked about the origin of the attack and whether North Korea might be connected. It did not name any of the entities.