Security Upgrades Added To Dallas Emergency Siren SystemOfficials in Dallas say they've completed security upgrades to the city's outdoor sirens that will prevent the kind of "malicious activation" that caused the emergency system to blare across the city in April.
Outdoor Emergency Siren Briefing At Dallas City Hall TodayThe whaling kept thousands of people awake and resulted in a rash of calls that overwhelmed an already troubled 911 system. Once again, the focus in Dallas is on the emergency outdoor siren system.
Lack Of Encryption Blamed For False Dallas Emergency SirensDallas officials concerned about hackers blame radio signal issues for the dozens of emergency outdoor sirens that falsely sounding last weekend.
Council Member Frustrated With Response To Warning Sirens HackWith the threat of severe weather many are wondering if the outdoor warning sirens in Dallas will be ready. After the system was hacked Friday night some city officials are pushing for answers and assurances that another meltdown won’t happen.
Emergency Sirens Back Online In Dallas Following System HackThe emergency siren system is back online in Dallas following a hack Friday that set off wailing sounds throughout the city, but one city official wants to make sure a security breach does not happen again.
Emergency Managers Working With FCC To Learn Who Hacked Dallas Siren SystemThe identity of who hacked the Dallas emergency siren system Friday evening remains a mystery, but city officials say they do know how it was done.
City Officials: Hack Caused 156 Emergency Sirens To Go Off In DallasResidents in Dallas had a rude awakening Friday night when 156 emergency sirens wailed throughout the city, and officials are saying the sirens were triggered by a hack.
City Apologizes After Warning Sirens Sound For No ReasonThe city is apologizing after human error causes a scare in Dallas. Wednesday morning all of the outdoor warning sirens sounded off for no reason.
False Alarm Wakes Fort Worth Residents Early ThursdayAt a time when most people in North Texas are asleep, Fort Worth residents were rattled out of a deep slumber. Just after 1:30 a.m. Thursday morning, all 153 of the outdoor warnings sirens in in the city of Fort Worth suddenly went off simultaneously.

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