Detailed text transcripts for TV channel - KGO - 20141218:10:35:00
Embarrassing emails and personal information about celebrities and studio execs federal officials say had become a threat to national security. the group claiming responsibility for the hack, the guardians of peace, warning theaters and moviegoers, if your house is nearby, you'd better leave. >> they use very sophisticated malware, new tactics and techniques we haven't often seen. >> reporter: abc news learned federal investigators determined north korea is responsible for the worst corporate cyberattack in history. sources say agents are closely scrutinizing an elite high-tech north korean cy...
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