Topic overview
In brief
- A malware attack disrupted critical city systems in Suisun City, California.
- City officials declared a state of emergency to access resources and manage the situation.
- Emergency services continued to operate despite the disruption, ensuring public safety.
Summary
On August 8, 2026, a city in Northern California, Suisun City, declared a state of emergency following a significant cybersecurity incident. The malware attack disrupted essential services, including 911 routing and police and fire dispatch systems. The incident began early in the morning around 5:45 a.m. on Friday, prompting city officials to shut down the entire IT network to contain the threat and preserve evidence for an ongoing federal investigation. Despite the disruption, emergency responders continued to operate, with dispatchers taking calls through the Solano County dispatch center. Officials assured the public that there was no imminent threat to safety.
As the situation unfolded, many online city services and internal operations remained unavailable while cybersecurity experts worked diligently to investigate the incident and restore affected systems. The Suisun City Council unanimously voted to declare a state of emergency on Saturday morning, which enabled the city to access emergency resources quickly and recover costs associated with the cyber incident. The city is collaborating with various federal and state agencies, including the FBI, Department of Homeland Security, and California Office of Emergency Services, to address the situation.