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Suisun City Fully Reopens City Hall Weeks After Malware Incident

Patch • September 23, 2026

The emergency declaration allowed Suisun City to more quickly access emergency resources and recover costs related to the malware attack.

Suisun City has reopened all public access to City Hall after a cybersecurity incident last month forced city officials to close in-person services.

Find out what's happening in Suisun City for free with the latest updates from Patch.

The city declared a state of emergency after malicious software disrupted public safety systems on August 7 , including 911 routing, police and fire dispatch, along with records and other city services. Suisun City shut down its IT network to contain the threat and preserve evidence for a federal investigation, and City Hall was officially closed to the public two days later.

The emergency declaration allowed Suisun City to more quickly access emergency resources and recover costs related to the malware attack.

Find out what's happening in Suisun City for free with the latest updates from Patch.

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Suisun City Reopens City Hall After Malware Attack Disrupts Services Suisun City has reopened City Hall following a malware attack that occurred on August 7, 2026, which disrupted public safety systems including 911 routing and police dispatch. The city declared a state of emergency to facilitate access to resources and expedite recovery efforts. City officials shut down the IT network to contain the malware and preserve evidence for an ongoing federal investigation. While in-person services were suspended, essential public safety operations continued through the Solano County dispatch center. As of September 22, all City Hall departments have resumed operations, although the investigation into the incident is still ongoing. Officials have stated there is no evidence of personal data being accessed or stolen, but audits are being conducted to confirm this. No group has claimed responsibility for the attack, and it remains unclear if a ransom was paid. 3 sources 53

Suisun City Fully Reopens City Hall Weeks After Malware Incident

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Extracted Entities

Attack Types (1)

Companies (1)