[pocksuppet]

Trains made by Newag were programmed to brick themselves if they detected a non-Newag workshop was repairing them.

https://news.ycombinator.com/item?id=38638865

https://news.ycombinator.com/item?id=38628635

https://news.ycombinator.com/item?id=38567687

https://news.ycombinator.com/item?id=38530885

[loeg]

And that was correctly perceived to be illegal by antitrust regulators.

[pocksuppet]

btw the best part of this story is that the train company googled "best Polish hackers", found a group who won a CTF, and this actually worked out for them