“Internet Connection Enabled Seoul Hack,” The Wall Street Journal, October 12, 2017 A12. Use of third-party Korean cyber-security software led to problem when a military network was connected to the internet. The hackers first attacked the software firm, which also sold to the South Korean military. The connection to the internet was enabled through a missed connector jack left behind after routine maintenance.
Remind you of the Target point-of-sale hack? Watch out for your vendors and the connections to the outside world?