President Donald Trump "has already pulled many levers of pressure to address North Korea's unacceptable nuclear and missile developments, and we will continue to use our maximum pressure strategy to curb Pyongyang's ability to mount attacks, cyber or otherwise".
The attack is said to have hit more than 300,000 computers in 150 nations, causing billions of dollars of damage.
The US is not the only country that attributes the WannaCry attack to North Korea, Bossert adds. Among the victims were the UK's National Health Service, which locked doctors out of patients' records.
The WannaCry attack spread rapidly around the globe using a security flaw in Microsoft's Windows XP operating system, an older version that is no longer given mainstream tech support by the United States giant.
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The leaders' relationship is complicated by ongoing investigations into the Trump campaign's ties to Moscow. Relations between Russian Federation and the USA remain tense.
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.
Microsoft president Brad Smith likened the theft to "the USA military having some of its Tomahawk missiles stolen", and argued that intelligence agencies should disclose such vulnerabilities rather than hoarding them. Hutchins was able to trip that switch, and the attack soon ended.
"The US is trying to shift responsibility for tensions on the Korean Peninsula to us with its dialogue offensive", the North Korean daily Rodong Sinmun said in a report.
The North Korean soldier, 24-year-old Oh Chong Song, was transferred to the military hospital last Friday from a trauma centre at Ajou University Hospital, south of Seoul, where his treatment for gunshot wounds and pre-existing conditions included two major operations.
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Real Madrid set a year-best in club history after taking the Club World Cup with a narrow victory over Gremio on Saturday. The Ballon d'Or victor hammered home a right-footed shot from inside the box to level things up in the 53rd minute.
CNN reported in June that United Kingdom intelligence believed a group associated with the North Korean government was behind the attack, and The Washington Post reported around the same time that the National Security Agency had reached a similar conclusion.
The Lazarus Group is also thought to be behind the 2014 cyber attack against Sony, which resulted in the leak of several unreleased films. He also noted that Microsoft did make efforts to disrupt activities by North Korean hackers last week, but Bossert didn't elaborate.
"We are monitoring the bitcoin-related issue". Now, seven months later, we finally know who was behind the widespread ransomware campaign: North Korea.
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Guenther has been an assistant under Lewis since 2005, first as linebackers coach then as defensive coordinator since 2014. The interaction we have on a daily basis, it's 1:52 (p.m.) and we've probably seen each other four times today.
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