Cybersecurity Incident Updates

All official information regarding the Suisun City cybersecurity incident is available on this page. 

At roughly 5:45 a.m. on Aug. 7, malicious software infected and compromised Suisun City IT systems. The cybersecurity incident hit critical public safety operations, including 911 routing, police and fire dispatch, records and City services. To contain the threat and preserve evidence for a federal investigation, the City shut down its entire IT network. The City swiftly activated its Emergency Operations Center and is working alongside federal, state and regional agencies, including the FBI, Department of Homeland Security and California Office of Emergency Services to maintain emergency services, investigate the incident and restore systems.

There is no imminent threat to the public. All public safety services remain active. Suisun City dispatchers are continuing to take calls through the Solano County dispatch center, and Suisun City PD and Fire continue to respond to calls for service. Online City services and internal operations remain temporarily unavailable. The cybersecurity incident is currently under investigation.

Please see a record of ongoing updates and frequently asked questions below. 

Aug. 26, 2026 - 2:30 p.m. Update

Suisun City is continuing to make progress through recovery operations following the recent cybersecurity incident. As part of ongoing operational adjustments during this transition, the City is extending the upcoming deadline for water service disconnections.

Water disconnect notices mailed last week established Tuesday, Aug. 25, as the payment deadline, with water shut-offs originally scheduled to begin today, Aug. 26. The City and the Suisun-Solano Water Authority (SSWA) have officially moved the water service disconnection date to Wednesday, Sept. 2. This adjustment provides customers with an extra week to address delinquent balances and complete their payments.

The Suisun-Solano Water Authority (SSWA) remains fully compliant with California Senate Bill 998 (SB 998), which authorizes the disconnection of residential water service for accounts that are more than 90 days delinquent.

The water counter inside City Hall remains open to the public during normal business hours to process utility payments and assist residents. As announced previously, a representative from the Police Department is also available at the water counter this week from 9 a.m. to 5 p.m. to handle vehicle releases, ticket sign-offs and general inquiries while the Police Department lobby undergoes planned roof renovations.

Public safety services and response remain active. Suisun City Police and Fire will continue to respond to calls for service, and Suisun City dispatchers will continue to take 911 and non-emergency calls through the Solano County dispatch center. 

The City is working alongside federal, state and regional agencies, including the FBI, Department of Homeland Security and California Office of Emergency Services, to investigate the cybersecurity incident, maintain essential services and restore systems.

 

Aug. 25, 2026 - 8 a.m. Update

The City Council meeting on Tuesday, Aug. 25 will be held in council chambers beginning at 6 p.m. The public is welcome to attend the meeting in-person or by Zoom using the credentials below:

Zoom Website: https://zoom.us/join

Zoom Meeting: ID: 844 3848 4678

Suisun City is continuing to progress through its recovery phase following the recent cybersecurity incident. The water counter remains the only open City Hall service available to the public. Payments are currently accepted via cash or check only (credit and debit cards cannot be processed at this time).

Due to a pre-planned roof renovation, the Police Department lobby will be closed all week. To maintain community access, a representative from the Police Department will be stationed at the City Hall water counter daily from 9 a.m. to 5 p.m. to help with ticket sign-offs, vehicle releases, speaking with an officer and general assistance.

Until further notice, the following departments remain closed to the public:

  • Planning Department

  • Building Department

  • Housing Department

  • Finance Department

  • Human Resources Department

  • Public Works Department

  • City Manager’s Office

  • Administration

Public safety services and response remain active. Suisun City Police and Fire will continue to respond to calls for service, and Suisun City dispatchers will continue to take 911 and non-emergency calls through the Solano County dispatch center. 

The City is working alongside federal, state and regional agencies, including the FBI, Department of Homeland Security and California Office of Emergency Services, to investigate the cybersecurity incident, maintain essential services and restore systems.

Aug. 21, 2026 - 1:30 p.m. Update

Suisun City is continuing to progress through its recovery phase following the recent cybersecurity incident. For now, the water counter in City Hall remains the only open City Hall service available to the public.

As part of the recovery process, the City is actively assessing whether any personal information has been affected. To date, nothing has been discovered to indicate personal data was impacted, but the City will continue to thoroughly evaluate systems as the investigation proceeds.

Due to a pre-planned roof renovation, the Police Department lobby will be closed next week. To maintain community access, a representative from the Police Department will be stationed at the City Hall water counter daily next week from 9 a.m. to 5 p.m. to help with ticket sign-offs, vehicle releases, speaking with an officer and general assistance.

Additional updates will be shared next week. Until further notice, the following departments remain closed:

  • Planning Department

  • Building Department

  • Housing Department

  • Finance Department

  • Human Resources Department

  • Public Works Department

  • City Manager’s Office

  • Administration

Public safety services and response remain active. Suisun City Police and Fire will continue to respond to calls for service, and Suisun City dispatchers will continue to take 911 and non-emergency calls through the Solano County dispatch center. 

The City is working alongside federal, state and regional agencies, including the FBI, Department of Homeland Security and California Office of Emergency Services, to investigate the cybersecurity incident, maintain essential services and restore systems. 

 

Aug. 18, 2026 - 8:30 a.m. Update

The Suisun City water counter is now open for in-person service at City Hall. Payments are currently accepted via cash or check only (credit and debit cards cannot be processed at this time).

In response to the ongoing cybersecurity incident and investigation, Suisun City will continue its internal operations while extending the closure of other services at City Hall on Tuesday, Aug. 18, including:

  • Planning Department

  • Building Department

  • Housing Department

  • Finance Department

  • Human Resources Department

  • Public Works Department

  • City Manager’s Office

  • Administration

Public safety services and response remain active. Suisun City Police and Fire will continue to respond to calls for service, and Suisun City dispatchers will continue to take 911 and non-emergency calls through the Solano County dispatch center. 

The Police Department lobby continues to be open and accessible for ticket sign-offs, vehicle releases, speaking with an officer and general assistance. The lobby is open Monday through Thursday from 7 a.m. to 5 p.m., with possible closures for lunch from noon to 12:30 p.m.

The City is working alongside federal, state and regional agencies, including the FBI, Department of Homeland Security and California Office of Emergency Services, to investigate the cybersecurity incident, maintain essential services and restore systems. 

 

Aug. 17, 2026 - 10 a.m. Update

In response to the ongoing cybersecurity incident and investigation, Suisun City is continuing its internal operations while extending the closure of City Hall and in-person public services on Monday, Aug. 17, including:

  • Planning Department

  • Building Department

  • Housing Department

  • Water Department

  • Finance Department

  • Human Resources Department

  • Public Works Department

  • City Manager’s Office

  • Administration

Public safety services and response remain active. Suisun City Police and Fire will continue to respond to calls for service, and Suisun City dispatchers will continue to take 911 and non-emergency calls through the Solano County dispatch center. 

The Police Department lobby is open and accessible for ticket sign-offs, vehicle releases, speaking with an officer and general assistance. The lobby is open Monday through Thursday from 7 a.m. to 5 p.m., with possible closures for lunch from noon to 12:30 p.m.

The City is working alongside federal, state and regional agencies, including the FBI, Department of Homeland Security and California Office of Emergency Services, to investigate the cybersecurity incident, maintain essential services and restore systems.

The City will provide updates for reopening throughout the week as available.  

Aug. 11, 2026 - 10:30 a.m. Update

In response to the ongoing cybersecurity incident and investigation, Suisun City is continuing its internal operations while extending the closure of City Hall and in-person public services through Friday, Aug. 14, including:

  • Planning Department

  • Building Department

  • Housing Department

  • Water Department

  • Finance Department

  • Human Resources Department

  • Public Works Department

  • City Manager’s Office

  • Administration

Public safety services and response remain active. Suisun City Police and Fire will continue to respond to calls for service, and Suisun City dispatchers will continue to take 911 and non-emergency calls through the Solano County dispatch center. 

The Police Department lobby is open and accessible for ticket sign-offs, vehicle releases, speaking with an officer and general assistance. The lobby is open Monday through Thursday from 7 a.m. to 5 p.m., with possible closures for lunch from noon to 12:30 p.m.

The City is working alongside federal, state and regional agencies, including the FBI, Department of Homeland Security and California Office of Emergency Services, to investigate the cybersecurity incident, maintain essential services and restore systems.

Aug. 10, 2026 - 11:30 a.m. Update

Public safety services and response remain active in Suisun City; however, some City services are limited or closed to the public on Monday, Aug. 10. Suisun City Police and Fire continue to respond to calls for service, and Suisun City dispatchers are continuing to take 911 and non-emergency calls through the Solano County dispatch center. 

The Police Department lobby is open and accessible for ticket sign-offs, vehicle releases, speaking with an officer and general assistance. The lobby is open Monday through Thursday from 7 a.m. to 5 p.m., with possible closures for lunch from noon to 12:30 p.m.

The City is continuing its operations, though some City services are closed to the public today, Aug. 10. City Hall is closed, affecting in-person meetings with the following departments:

  • Planning Department

  • Building Department

  • Housing Department

  • Water Department

  • Finance Department

  • Human Resources Department

  • Public Works Department

  • City Manager’s Office

  • Administration

The City is working alongside federal, state and regional agencies, including the FBI, Department of Homeland Security and California Office of Emergency Services, to investigate the cybersecurity incident, maintain essential services and restore systems.

The City will continue to provide updates as more information becomes available. 

 

Aug. 8, 2026 - 12:30 p.m. Update

During a Special Meeting held at 11 a.m. on Aug. 8, Suisun City Council declared a State of Emergency after malicious software infected and compromised IT systems at roughly 5:45 a.m. on Aug. 7. This declaration, pursuant to Government Code 8630, allows the City to quickly access emergency support services and to recoup costs incurred as a result of the cybersecurity incident. 

The cybersecurity incident hit critical public safety operations, including 911 routing, police and fire dispatch, records and City services. To contain the threat and preserve evidence for a federal investigation, the City shut down its entire IT network. The City swiftly activated its Emergency Operations Center and is working alongside federal, state and regional agencies, including the FBI, Department of Homeland Security and California Office of Emergency Services to maintain emergency services, investigate the incident and restore systems.

There is no imminent threat to the public. All public safety services remain active. Suisun City dispatchers are continuing to take calls through the Solano County dispatch center, and Suisun City PD and Fire continue to respond to calls for service. Online City services and internal operations remain temporarily unavailable. The cybersecurity incident is currently under investigation. 

See meeting agenda for more information: Suisun.com/Government/City-Council/Agendas.

Aug. 7, 2026 - Initial 8 p.m. Update

The City of Suisun City is currently experiencing a cybersecurity incident that has impacted services at City Hall and public safety departments. Suisun City dispatchers are taking calls for service through the Solano County dispatch center. Suisun City police officers and firefighters will continue responding to calls for service. Many online systems and internal operations are temporarily unavailable as we work with cybersecurity experts to investigate and restore full functionality. We will provide an update in the next 24 hours.

 

Customer Frequently Asked Questions

City Services During Temporary System Outage

The City is continuing to provide essential public services while certain systems are temporarily unavailable. The information below answers common questions about emergency and public safety services, Water Utility, Recreation, Parks & Marina, Public Works and permitting, employment and recruitment and claims.

    

Emergency & Public Safety Services

Are Police and Fire emergency services still available?

Yes. The Suisun City Police and Fire Departments remain fully operational and continue to provide emergency response and public safety services to the community without interruption.

How do I request emergency or non-emergency assistance?

For any emergency, call 911. For non-emergency police assistance or to reach Dispatch, call 707-421-7373. Please use the non-emergency number for situations that do not pose an immediate threat to life, health or property.

How do I contact the Fire Department for non-emergency business?

For non-emergency Fire Department business, please call 707-421-7205.

 

Water Utility

Water Bill Payments 

How can I pay my water bill?

Our normal online and account-based payment services remain available. Customers can currently make payments online, by cash or check, mail or in person at the City Hall Finance Counter.

Will I be charged a late fee while systems are unavailable?

Customers will not be disadvantaged because of the system outage. Any applicable billing or late-fee adjustments will be communicated once systems are restored.

Will my previous payment be recorded?

If you recently made a payment, please do not make a duplicate payment. We are working to reconcile payment information and will update customer accounts as systems become available.

Customer Account Services

Can I access my customer account?

Online account access and some customer account services may be temporarily unavailable while we restore our systems.

Can I update my contact information or make changes to my account?

Some account changes may be delayed until our systems are fully restored. Please contact Customer Service at 707-421-7320 for assistance.

Connect or Disconnect Service

Can I request a new water service connection?

New service connection requests may be temporarily delayed while our systems are unavailable. Please contact Customer Service at 707-421-7320.

Can I request that my water service be disconnected?

Disconnect requests may also be affected by the outage. Please contact Customer Service at 707-421-7320 for assistance.

Account Information Requests

Can I request my account balance, payment history or other account information?

Access to some account information may be temporarily limited. We will provide available information when it can be safely verified. Please understand that requests may take longer than usual during the outage.

Is my personal and payment information safe?

We take the protection of customer information seriously. Our teams are working with cybersecurity professionals to investigate the incident, protect our systems and restore services safely. We will notify customers if there is information they need to know regarding their accounts.

 

Recreation, Parks & Marina (RPM)

Are Recreation, Parks & Marina services still available?

Yes. Recreation, Parks & Marina (RPM) services remain available. At this time, we do not anticipate significant impacts to day-to-day public services.

Can I still register for recreation programs, classes or activities?

Yes. Online registration remains available and the public may continue to register for programs and activities as usual through the online registration system or at the Joseph Nelson Community Center.

Are parks, recreation facilities, programs and events still operating?

Yes. Parks and facilities remain open, and scheduled recreation programs, activities and events are continuing unless otherwise communicated by the City. If a specific program or facility is affected, registered participants will be notified when possible.

Are Marina services affected?

Marina operations are continuing as usual. Payments can still be made in person at the Harbormaster’s Office and slip inquiries can continue to be made through Dockwa at www.dockwa.com.

 

Public Works, Permits & Public Records

Can I still apply for and manage permits online?

Yes. The City’s online permit portal remains available and is not dependent on access to the City’s internal network. The public may continue to submit permit applications and access permit-related services online through the Tyler Citizen Self Service portal. Access the portal here: Tyler Citizen Self Service.

Can I still pay for permits online?

Online permit payments may continue to be submitted through the Tyler Citizen Self Service portal. The City is confirming that payment information is transmitting normally to Finance during the outage. If any payment-processing issue is identified, the City will provide additional guidance. Access the portal here: Tyler Citizen Self Service.

Can I still submit a Public Records Act request?

Yes. Public Records Act (PRA) requests may continue to be submitted through the City’s online public records request portal. This service is hosted separately from the City’s internal network and remains available. Submit a request through the Public Records Request Portal.

 

 

Can I still submit a Public Works maintenance request?

Yes. Public Works maintenance requests may continue to be submitted by email to PWM@suisun.com.

 

Employment & Recruitment

Can I still apply for a job with the City?

Yes. The City’s online recruitment system remains available and applicants may continue to view and apply for current job opportunities online.

 

I recently applied for a City position. Will recruitment processes continue?

Yes. Recruitment activities will continue, although some processes or communications may experience temporary delays. Applicants will be contacted directly if there are any changes affecting a scheduled recruitment process.

 

Claims

I need to submit a claim to the City. Can I still do that?

Yes. Claims may still be submitted to the City. If you need assistance obtaining or submitting a claim form, please contact the City Clerk at clerk@suisun.com.

 

I previously submitted a claim to the City. Will it still be processed?

The City continues to manage claims. Some administrative processing may experience temporary delays. If you have questions regarding an existing claim, please contact the assigned Carl Warren claims examiner.

Need assistance?

Emergency: 911

Police Dispatch (Non-Emergency): 707-421-7373

Fire Department (Non-Emergency Business): 707-421-7205

Water Utility Customer Service: 707-421-7320

Public Works Maintenance: PWM@suisun.com

For updates regarding City services, please continue to monitor official City communications.

 

Development Services

Will I be able to submit an application for building permits?

At this time, we are experiencing temporary delays until systems are up and running again, which could be within the next few days. 

Will my housing assistance payment be affected?

No. If you are currently a participant that utilizes housing assistance payments for rent, your payment should not be disrupted.

Will processing of my planning entitlement or building permit be delayed?

There could be temporary delays related to the processing of building permits and/or planning entitlements. Please contact the planning or building department for more information on a specific project.

Will code enforcement be affected?

Code enforcement may experience temporary delays, however, we will continue to patrol the city for violations.