Hackers attacked the Dallas emergency system and set off sirens, officials say

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...

Hackers attacked the Dallas emergency system and set off sirens, officials say

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...