WSJ post: Their Trains Were Stalled. These Hackers Brought Them Back to Life.

https://www.wsj.com/tech/cybersecurity/hackers-trains-disabled-poland-1b1f501a?st=nj2w4yrwob93g9n&reflink=desktopwebshare_permalink

submitted by /u/JenniferJournal321
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from hacking: security in practice https://ift.tt/2skVDCG