Freight trains in the U.S. use a radio link between front and rear, designed around 40 years ago. It’s emerged that the Flashing Rear End Device (#FRED) can be told to slam on the brakes via an extremely weak wireless protocol.

The latest researcher to signal the problem says, “You could shutdown the entire railway system.” In #SBBlogwatch, we get to the points.

@TheFuturumGroup @TechstrongGroup @SecurityBlvd: https://securityboulevard.com/2025/07/train-fred-vuln-20-years-richixbw/?utm_source=richisoc&utm_medium=social&utm_content=richisoc&utm_campaign=richisoc