[this is an English translation of the original article in Polish, we occasionally publish the best cyber stories from Poland in English] A train manufactured by a Polish company suddenly broke down during maintenance. The experts
Une histoire de hacking et train. Un truc dingue :)
Other surprises were soon discovered. Among them was the blocking of a train when one of its components is replaced (verified by its serial number). An option to undo the lockout was also discovered – this did not require setting flags at computer memory level, just the right sequence of button clicks in the cab and on the on-board computer screen. When news of the successful launch of the Impulse hit the media, the trains received a software update that removed this ‘fix’ option. On another train, a code was found instructing it to ‘break down’ after a million kilometres.
Other surprises were soon discovered. Among them was the blocking of a train when one of its components is replaced (verified by its serial number). An option to undo the lockout was also discovered – this did not require setting flags at computer memory level, just the right sequence of button clicks in the cab and on the on-board computer screen. When news of the successful launch of the Impulse hit the media, the trains received a software update that removed this ‘fix’ option. On another train, a code was found instructing it to ‘break down’ after a million kilometres.