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A comment on They have not been trained for this – CCC supports train hackers. Parent comment

Re:They have not been trained for this – CCC supports train ... by majke on Friday December 27, 2024 @05:53PM (#42526822)
The firmware would need to be certified. They mentioned that in the q&a couple of minutes ago.

Apparently its a critical component.

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Re:They have not been trained for this – CCC supports train ... by mx20 on Friday December 27, 2024 @06:20PM (#42526982)
I remember they said in the last talk last year that there is a "cheat code" that resets the software locks, but almost every train also had slightly different software to obfuscate that they are sabotaging their competition.
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Re:They have not been trained for this – CCC supports train ... by psd1 on Friday December 27, 2024 @08:52PM (#42527866)
Yes, although i recall it was more lack of build automation meaning not every train had every patch
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