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Cybersecurity attacks
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This event occurred in the United States by Jonathan James in 1999
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The company Sony Pictures suffered a cyber attack in the United States by a group of hackers called Guardians of Peace in November 2014
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A group of hackers entered three power companies in Ukraine in December 2015
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In the United States during the elections the Russian military intelligence agency made a cybersecurity attack in 2016
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The attack happened in the United Kingdom by North Korea in May 2017