CodeRED Emergency Alerts Disrupted Across US After Ransomware Breach

Multiple US communities scramble for alternatives after a cyberattack cripples a major emergency system.

Widespread outages hit local emergency notifications

A ransomware attack on Crisis24, the vendor behind the CodeRED emergency alert system, has left towns and cities across the United States without a core public-warning tool. CodeRED is widely used to push urgent notifications for severe weather, public safety incidents, missing persons and other critical situations.

In the aftermath of