'Zombies Ahead': Hackers Hijack Highway Construction Sign

Two electronic signs intended to warn motorists of construction were changed by computer hackers. The hijacking of signs occurred near the University of Texas campus at the intersection of Lamar and Martin Luther King Boulevards in Austin, Texas.

While the message was only displayed for a few hours, the stunt is a Class C misdemeanor punishable by up to a $500 fine, an Austin Public Works spokeswoman told the AP.

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