Tag Archives: radio signals

Here's How Hacker Activated All Dallas Emergency Sirens On Friday Night

Last weekend when outdoor emergency sirens in Dallas cried loudly for over 90 minutes, many researchers concluded that some hackers hijacked the alarm system by exploiting an issue in a vulnerable computer network.

But it turns out that the hackers did not breach Dallas’ emergency services computer systems to trigger the city’s outdoor sirens for tornado warnings and other emergencies, rather