[Ed. – That’s no joke. Maybe this was just a one-off prank, but compromising the public warning systems is a core element of an organized asymmetrical attack. This could have been a practice run or feasibility probe. Not to be shrugged off.]
Officials in Dallas said the city’s warning system was hacked late on Friday night, disrupting the city when all 156 of its emergency sirens sounded into the early hours of Saturday morning.
The alarms, which started going off around 11:40 p.m. Friday and lasted until 1:20 a.m. Saturday, created a sense of fear and confusion, jarring residents awake and flooding 911 with thousands of calls, officials said.
Sana Syed, a spokeswoman for the city, said in a telephone interview that the sound of the sirens, which are meant to alert the public to severe weather or other emergencies, was interpreted by some as a warning sign of a “bomb or something, a missile.” …
Officials declined to give full details about the nature of the breach, citing security reasons, but they said they believed it had originated locally.