Hackers Blast Emergency Sirens in DallasScreaming sirens serenaded Dallas residents in the early morning hours Saturday after a cyberattack set off the city's emergency warning system. All of the city's 156 sirens reportedly were set off more than a dozen times. Officials have not yet identified the perpetrator of the attack, but it likely was someone outside the Dallas area, said Office of Emergency Management Director Rocky Vaz.
Source:
Hackers Blast Emergency Sirens in Dallas