Computer Hack Sets off 156 Emergency Sirens across Dallas
Security Magazine | April 09, 2017
A computer hack set off all the emergency sirens in Dallas for about 90 minutes last weekend in one of the largest known breaches of a siren warning system. Dallas' 156 sirens, normally used to warn of tornadoes and other dangerous weather, were triggered at 11:42 p.m. CDT on Friday, reported Reuters.