North Korea's internet connection has been cut for the second day in a row today, says a US Internet Research group tracking the country's connectivity. According to Dry Research, North Korea's four networks supplied by the Chinese company China Unicorn were offline at 1541 GMT on Tuesday , reports AFP. North Korea also lost internet connection for more than nine hours on Monday leading some to believe the US might be behind a cyber-attack in retaliation for the hack of Sony Pictures. Lost internet: North Korea's and leader Kim Jong Un's (pictured) internet connection has been cut for the second day in a row today, says a US Internet Research group tracking the country's connectivity
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Continuous problems today and for nine hours yesterday yesterday could mean North Korea was under cyber attack
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Cybersecurity expert says normal internet failings are 'isolated blips'
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Unclear if the connectivity problems were an act of retribution for hack
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The US has not come forward about the North Korean internet outage but online experts say that it resembles a 'denial of service' attack
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The hackers behind the attack on Sony Pictures said they were incensed by the comedy, and the studio pulled the film from distribution after major @placeholder cinema chains declined to exhibit it.