False alarms: hackers take over Dallas’s 156 sirens before system deactivated

Hackers took control over the 156 sirens in Dallas this weekend, triggering false alarms on the system used to alert residents to take shelter from inclement weather, until officials deactivated the system early Saturday morning.

The person or people responsible were able to hack into a part of the system that was communicating with all 156 of the city’s sirens, said Rocky Vaz, who heads the city’s office of emergency management, at a news conference.

Technicians were trying to determine how to bring the system back online without the risk of it being hacked again, he said. In the meantime, the public has access to other alert systems. Vaz said he hoped to have the siren system back up by Sunday. …

Source: False alarms: hackers take over Dallas’s 156 sirens before system deactivated

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