North Korea to blame for WannaCry cyberattack: US

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The US will hold North Korea responsible for the massive WannaCry ransomware attack earlier this year, the White House said Monday.

Homeland security adviser Tom Bossert wrote in a Wall Street Journal op-ed that North Korea was “directly responsible” for May’s ransomware attack and that Pyongyang would be held accountable.

Bossert said the finding was based on evidence and that it had been confirmed by other governments and private companies, including the UK and Microsoft.

Read more: North Korea link to WannaCry ransomware ‘highly likely’

He said the Trump administration would continue to use its “maximum pressure strategy to curb Pyongyang’s ability to mount attacks, cyber or otherwise.”

A senior administration official told the Reuters news agency that the White House would issue a formal statement of blame on Tuesday. The official said they had a “very high level of confidence” that hacking outfit Lazarus Group carried out the attack on behalf of the North Korean government.

Read more: North Korea ‘hacked US-South Korea war plans’

Global systems crippled

The May attack infected hundreds of thousands of computers around the world and crippled hospitals, banks and other companies. Parts of Britain’s National Health Service were shut down by the attack, while companies such as FedEx said they had incurred losses in the hundreds of millions of dollars.

Independent research groups have previously attributed the attack to North Korea. The attack originally looked like a standard ransomware intrusion, but researchers believe that was a ruse to disguise a more malicious intent.

The attack exploited a Windows vulnerability that was originally developed by the US National Security Agency, but was released in a stolen cache of NSA cyberweapons by hacking group known as the Shadow Brokers.

Read more: Why it’s ‘hard to protect yourself’ online

Lazarus Group have in the past been accused of being responsible for the 2014 hack of Sony Pictures Entertainment that destroyed files, leaked corporate communications and led to the departure of top studio executives.

aw/cmk (AP, Reuters)