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Breaking "DRM" in Polish trains [video] – 37c3 presentation
(streaming.media.ccc.de)
This is a most excellent place for technology news and articles.
Also found this from someone involved in the hack: https://social.hackerspace.pl/@q3k/111528162462505087
This bit is pretty interesting:
Yes, he explains not only this but also other lock mechanisms in the talk.
For example, one based on datetime. It's quite crazy.
:)
Thanks for the link, I was waiting for that talk.