Securing the digital network is something that all media owners need to be au fait with. To my knowledge we haven’t had a really high profile / embarrassing digital out of home incident yet (though we can expect many in the future as people let their guards down).
This story popped up on EARTHtimes [1] about an LCD Billboard (we think they mean LED) in Karaj, 30 kilometres west of Tehran, Iran, being hijacked and being used to play out random pr0n images.