What the US needs to do to protect the power grid from Russian hacks

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• America's power grid is difficult to defend from hackers because of its enormous size and heavy dependency on digital communication and computerized control software. 
• Russian hackers penetrated computers of multiple US electric utilities back in March 2018.
• More threats from Russia are possible, so electric utilities, grid operators, and vendors need to deploy multiple layers of defense.
• Smaller and midsized distribution companies are more at risk for hackers. 
• More than 3,000 utilities in the US have trouble finding skilled workers who understand how to protect computerized and physical components of the grid.

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The US electricity grid is hard to defend because of its enormous size and heavy dependency on digital communication and computerized control software. The number of potential targets is growing as "internet of things" devices, such as smart meters, solar arrays and household batteries, connect to smart grid systems.See the rest of the story at Business Insider

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