The expansion of smart-energy infrastructure will bring consumers and utilities alike a number of important benefits, but it will also create security risks where they previously did not exist. The introduction of two-way smart meters that not only transmit but also receive information will require new strategies for protecting against exploits, observers note. "A smart grid, by connecting the power industry to the Internet, opens the door for anyone who wants to mess with the power system in the U.S.," said Stephen Holditch, a professor at the Texas A&M Energy Engineering Institute.

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