RagnarLocker claims to have hacked The National Natural Gas System Operator (DESFA) greek company

The cybercriminal group RagnarLocker claims to have attacked the National Natural Gas System Operator (DESFA), a Greek company responsible for managing, operating, developing and running the country's natural gas system. 

RagnarLocker allegedly took the company's data, posted proof of its theft online and threatened to expose the data on the web if the victim did not contact him. 

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