Hackers Can Tamper With Train Brakes Using Just a Radio, Feds Warn
The Cybersecurity and Infrastructure Security Agency (CISA) issued an advisory last week warning that a key train system could be hacked using nothing but a radio and a little know-how. The flaw has to do with the protocol used in a train system known as the End-of-Train and Head-of-Train. A Flashing Rear End Device (FRED), also known as an End-of-Train (EOT) device, is attached to the back of a train and sends data via radio signals to a corresponding device in the locomotive called the Head-o