Detailed text transcripts for TV channel - MSNBC - 20150331:00:39:00
>> any given day there is thousands attempts to probe and get into the networks and control systems on the powergrid and we have the defenses to prevent that. >> it is a priority to strengthen our critical structure to reduce risks to systems we all rely on including the electric grid. >> pg and e says they're spending millions of dollars. they replaced their fence with a concrete wall. >> here we are in front of a substation with a wide open gate. >> but investigations found security gaps. >> no on site security that we can see. >> pg&e says their implementing other advanced detection and de
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