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Cyberattack disables Onsolve Code Red emergency alert system across St. Louis region (1)

Posted on November 22, 2025November 22, 2025 by Dissent

Russell Kinsaul reports a serious situation in St. Louis, Missouri:

A cyberattack has caused a nationwide outage of the Code Red emergency notification system, leaving cities and counties across the St. Louis region unable to use the popular system to send tornado warnings and other emergency alerts directly to residents’ phones.

Code Red has been down since early November, according to Mike Thornton, Warren County Emergency Management director.

Eureka is one of the St. Louis area cities that rely on Code Red to alert residents about tornadoes and other emergencies. Chief Michael Werges of the Eureka Police Department said about half the city’s residents have signed up for the system.

Read more at FirstAlert4.

The news report does not indicate what individual or group may have claimed responsibility for the attack, and DataBreaches does not spot any listing or claims online.

If anyone knows what group or individual is responsible for this, please contact tips@databreaches[.]net.

Update 1: INC Ransom claimed responsibility for an attack on OnSolve. They do not indicate that they encrypted the system or files, but they provide some images as proof of claims of access. DataBreaches has not attempted to validate the information in the images.

A thread on Reddit has been discussing the outage.  Thanks to David Krause for pointing us to it.

DataBreaches has sent a message to Onsolve asking them how many parts of the country are affected at this point, and how long they anticipate it will take before Code Red services are fully restored. Code Red, formerly known as Onsolve Code Red, is now known as Code Red by Crisis24.

 

Category: Government SectorOf NoteSubcontractor

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