McDonald's ice cream machine hackers say they found 'smoking gun'
McDonald's ice cream machine hackers say they found 'smoking gun'

www.wired.com
McDonald’s Ice Cream Machine Hackers Say They Found the ‘Smoking Gun’ That Killed Their Startup

There is a discussion on Hacker News, but feel free to comment here as well.
Paywalls suck.
HN, as always, has an archive link on the comments: https://archive.ph/fouWj
Thanks!