http://www.zdnet.com/article/chinese-hackers-take-down-vietnam-airport-systems/
"flight information screens at both Noi Bai International Airport in Hanoi and Tan Son Nhat International Airport in Ho Chi Minh City were compromised, resulting in the display of profanity and offensive messages in English against Vietnam and the Philippines"
I suppose this is fallout from the arbitration of who owns Spratly islands
Vietnam moves new rocket launchers into disputed South China Sea
http://www.reuters.com/article/us-southchinasea-vietnam-idUSKCN10K2NE
Sidebar Conspiracy Theory:
Kinda odd that 2 US airlines (Southwest, Delta) have suffered catastrophic software failures since I posted about the VN airport hackers.
>Sidebar Conspiracy Theory
It is suspicious.
To add to that theory, US companies tend to cover up hacking incidents. In this case, the ticket-buying public would have visions of mid-air collisions and planes falling from the skies, so it might ding sales a bit.