wiredThe hackers who crippled Sony in 2014 weren’t striking for the first time. New research indicates that these hackers are part of a prolific group that’s been active since at least 2009, and which appears to be responsible for more than 45 families of malware used in attacks since then.

Using the Sony malware as a starting point, a number of researchers have traced connections between that hack and a constellation of other attacks that they say can be attributed to a team of hackers they’re calling the Lazarus Group.

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