River road mdot traffic light driver#

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River road mdot traffic light driver#

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They also warned that devices like voting machines and even connected cars could suffer similar flaws. Researchers said traffic-system administrators should not use default usernames and passwords, and should stop broadcasting communications unencrypted for 'casual observers and curious teenagers' to see. 'It's hard to get people to care about these things in the same way that it's hard to get people to change their passwords.' 'They need to be worrying about this and think about security - it needs to be one of their top priorities,' Branden Ghena, a graduate student who worked on the project told MIT Technology Review. 'Our attacks show that an adversary can control traffic infrastructure to cause disruption, degrade safety, or gain an unfair advantage.' The team called for manufacturers and operators to improve their systems. 'We leveraged these flaws to create attacks which gain control of the system, and we successfully demonstrate them on the deployment.' 'We investigate a networked traffic signal system currently deployed in the United States and discover a number of security flaws that exist due to systemic failures by the designers. 'The safety critical nature of traffic infrastructure requires that it be secure against computer-based attacks, but this is not always the case,' the team said. Alex Halderman, said there were three major weaknesses in the traffic light system: unencrypted wireless connections, the use of default usernames and passwords that could be found online, and a debugging port that is easy to attack. The team, led by University of Michigan computer scientist J. They did not disclose exactly where in Michigan they did the research. 'The vulnerabilities we discover in the infrastructure are not a fault of any one device or design choice, but rather show a systemic lack of security consciousness,' the researchers report in a paper.Īfter gaining access to one of the controllers in their target network, the researchers were able to turn all lights red or alter the timing of neighboring intersections-for example, to make sure someone hit all green lights on a given route.