Trailrunner7 (1100399) writes "It has been a running joke in the tech industry for years that the hacking scenes in movies are, well, a joke. Hackers in hoodies pushing a few keys and taking down the power grid or causing massive traffic pileups by turning all the stoplights green at once. While those scenes provide endless entertainment for security folks, it turns out some of those attacks aren't so far-fetched. Cesar Cerrudo, a researcher and CTO at IOActive, decided to take a look at the security of some of the devices that control traffic lights and electronic signs in many cites around the world, and found that not only were the devices vulnerable to a number of attacks, but they could be exploited quite easily and perhaps could be used to spread malware from device to device. Cerrudo said that the vulnerabilities he identified can be exploited from up to a mile or two away with the right equipment."
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