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Could Sony hack happen at other companies?

Name: Could Sony hack happen at other companies?
Uploaded: 2015-04-10T18:48:00-0400
Duration: 1 min 50 s
Description: One of the worst cyber attacks in memory paralyzed Sony Pictures last November. It was traced back to North Korea. "60 Minutes" correspondent Steve Kroft investigates just how vulnerable other companies are.

One of the worst cyber attacks in memory paralyzed Sony Pictures last November. It was traced back to North Korea. "60 Minutes" correspondent Steve Kroft investigates just how vulnerable other companies are.