A radio signal hack is what made those Dallas warning sirens go nuts

Click here to visit Original posting

 When outdoor warning sirens in Dallas cried wolf last Friday, Twitter sleuths concluded that a hacker hijacked the alarms through a vulnerable computer network. As it turns out, the sirens aren’t computerized at all — they’re controlled through a decade-old radio system, one the city just voted to spend $100,000 to upgrade. System malfunction with City of Dallas siren… Read More