From the Summer 2021 Issue

Flashing Red Lights: Cybersecurity for Intelligent Transportation Systems

Christopher J. Brown
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Henry J. Sienkiewicz
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Red lights, yellow lights, green lights. A flashing light?  A traffic warning sign?  Recognized as a critical infrastructure by the Department of Homeland Security (DHS), the transportation system is essential to modern life. From the skies to the seas to the railways to the roadways, and to bike lanes and pedestrian crossing, this highly complex network safely and efficiently connects and feeds us all.  Within this network, the often-unnoticed Traffic Control Systems (TCS) and Traffic Management Systems (TMS) ensure that everyday routine travel and commerce are conducted safely and, hopefully, efficiently.

“Traffic management systems (TMSs) aim to reduce traffic . . .

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