Enlarge / A Flipper Zero device (credit: https://flipperzero.one/) Canadian Prime Minister Justin Trudeau has identified an unlikely public enemy No. 1 in his new crackdown on car theft: the Flipper Zero, a $200 piece of open source hardware used to capture, analyze and interact with simple radio communications …

Turns out that it’s easy to broadcast radio commands that force Polish trains to stop:...the saboteurs appear to have sent simple so-called “radio-stop” commands via radio frequency to the trains they targeted. Because the trains use a radio system that lacks encryption or authentication for those commands …

Seems that there is a deliberate backdoor in the twenty-year-old TErrestrial Trunked RAdio (TETRA) standard used by police forces around the world. The European Telecommunications Standards Institute (ETSI), an organization that standardizes technologies across the industry, first created TETRA in 1995. Since then, TETRA has been used in products …

Here’s a story about a hacker who reprogrammed a device called “Flipper Zero” to mimic Opticom transmitters—to turn traffic lights in his path green. As mentioned earlier, the Flipper Zero has a built-in sub-GHz radio that lets the device receive data (or transmit it, with the right …