Hackers Cause Mayhem In Dallas By Setting Off All Of The City's Tornado Sirens

Unbeknownst to many there are sirens set up throughout the city of Dallas, Texas to warn the citizens in case of tornado or other natural disaster, a total of 156 emergency weather sirens to be exact.

These sirens are designed to go off a section at a time if a tornado decides to rip through the city, but at just before midnight on April 7th every single siren in the city started screaming:

It took city officials an hour and a half to realize they wouldn't be able to fix the problem- because the system had been hacked:

By 1:20 a.m., flummoxed officials had decided the only way to stop the noise was “to unplug the radio systems and the repeater, and pretty much turn the siren system completely off,” as emergency management director Rocky Vaz explained to reporters the next day.

At that same news conference (ironically drowned out at one point by ambulance sirens) city spokeswoman Sana Syed announced that the 95 minutes of howling had not been a glitch after all.

“It does appear at this time it was a hack,” she said. “And we do believe it came from the Dallas area.”

Officials have ruled out a remote hack — telling reporters someone gained physical access to a hub connecting all the sirens, which may not be turned on again until Monday as the city tries to figure out who, how and why.

Read Someone Hacked Every Tornado Siren In Dallas. It Was Loud. here

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Edward - it's actually done via radio signal. From :

Dallas' emergency warning sirens, like many across the country, are radio-controlled and activated via encoded transmitters that act like pagers, sending tones to receivers attached to each siren. In Dallas' case, security experts say, it appears that someone took control of the frequency and transmitted the tones that turned on all 156 sirens across the city.
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You underestimate the number of problems we have ;) But on a more serious note, I agree with you hearsetrax, these hackers should aim their energy and effort towards something more productive.
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Quite a lot of them do. Some hackers that are in the news we're honestly trying to help (this is not an example of that) but suffer from cases of attacking the messenger. Plenty of those that do bad things as teenagers go on to do other things( usually reforming, but not always). I've lost count of the number of CS, math, and other science researchers I've worked with that have done such things when younger, and those are just the ones that admit to it.
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