Sony Pictures hackers have hit organizations in other countries for years

The group of hackers that crippled the computer infrastructure of Sony Pictures Entertainment in late 2014 has been responsible for a large number of attacks against organizations from South Korea, the U.S. and other countries over the past seven years.

The group has been dubbed Lazarus by a coalition of security vendors who have worked together over the past two years to investigate its activities. During this time they've established links between Lazarus and 1,000 malicious file samples organized in over 45 distinct malware families.

The researchers found evidence of attacks by this group against organizations from the government, media, military, aerospace, financial, and critical infrastructure sectors stretching as far back as 2009. The attacks included cyberespionage, denial of service, data theft and data destruction.

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