Are we completely unprepared for a power grid cyberattack?

Aired: 10/27/2015 | 0:06:54 | Clip
We’re aware of the risk of hacks that result in theft and espionage, but what about a devastating cyberattack on the power grid? In his new book, “Lights Out,” Ted Koppel argues that not only is this a distinct possibility, but that America is totally unprepared. The author joins Gwen Ifill to discuss the frightening potential fallout.

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