North Korea is behind cyber-attacks says Microsoft head
The head of the technology company Microsoft has said that the recent cyber-attack across the world were caused by North Korea.
Microsoft President Brad Smith has claimed that the WannaCry cyberattack was started by hackers from North Korea.
In fact, Brad Smith also said that North Korea used the cyber weapons that were stolen from the National Security Agency in the United States.
The WannaCry malware had severely affected 200,000 computers across 150 countries this year in May.
In 2014 too, North Korean hackers had got into the servers of Sony entertainment and erased huge amounts of data and leaked confidential information.