Turns out you don’t need a shady, possibly-issued-from-the-governor lane closure on a major bridge to jam traffic.
The sensor and signaling infrastructure on our streets is so vulnerable that all you need to wreak widespread havoc is a laptop.
The issue was reported by Cesar Cerrudo, an Argentinian security researcher, who reported his findings in a blog post and sent this warning to the Department of Homeland Security:
Cerrudo ran tests in Seattle, New York, and Washington D.C. using a Sensys Networks device he purchased, a wireless transmitter, and an antenna to amplify the signal which he mounted on a drone. In each case he was able to send fake information to the network.