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Polish Trains were equipped with automatic killswitch by manufacturer Newag (social.hackerspace.pl)

submitted 11 months ago* (last edited 11 months ago) by redd@discuss.tchncs.de to c/europe@feddit.de

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A polish hacker found out why trains did stop working. The manufacterer implemented a hidden electronic switch, which automatically activated after trains were serviced by a different company.

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[–] sanpo@sopuli.xyz 41 points 11 months ago* (last edited 11 months ago)

It wasn't a back door, it was a safety feature working as designed. IIRC it didn't have any modern security implemented, because it's very old.

Also, the link from the OP doesn't mention that, but the trains in this story had locations of competitors' repair centers coded in, and were apparently set to auto-lock if they detected sitting in one for more than 10 days...