It was inevitable that someday, hackers would have the ability to exert control over the U.S. electrical grid. According to the computer security firm Symantec, someday is today.
Hacking attacks over the last several months that targeted U.S. energy companies have been able to gain "operational control" over systems, thus threatening blackouts across the U.S., says Symantec. The hacker group known as DragonFly 2.0 was able to gain control in at least 20 places, according to the firm.
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