Pirate radio: Signal spoof set off Dallas emergency sirens, not network hack https://arstechnica.com/information-technology/2017/04/dallas-siren-hack-used-radio-signals-to-spoof-alarm-says-city-manager/ Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Related