Key Takeaways
- Most Pennington County public‑facing offices will be closed on Monday to address an active cybersecurity incident affecting parts of the county’s network.
- Essential services—including 911 dispatch, the county jail, juvenile services, the Care Campus, and other public‑safety operations—will remain operational.
- Court operations, the 24/7 Program, and early voting at the Auditor’s Office will continue as scheduled from 7 a.m. to 4 p.m.
- Residents can still complete vehicle‑registration tasks online via South Dakota’s registration portal or at self‑service kiosks.
- The county is collaborating with the South Dakota National Guard Cyber Incident Response Team, the South Dakota Fusion Center, the Cybersecurity and Infrastructure Security Agency (CISA), and other partners to investigate the breach.
- Because the investigation is ongoing, officials have limited verified information and plan to release the next public update by 11 a.m. Monday.
Overview of the Cybersecurity Incident
Pennington County officials announced that most of the county’s public‑facing offices will be closed on Monday as a precautionary measure while they respond to a cybersecurity incident that has impacted portions of the county’s internal network. The decision to shut down non‑essential services was made to give staff the opportunity to assess the scope of the breach, contain any malicious activity, and begin the process of safely restoring affected systems without jeopardizing data integrity or public safety.
Essential Services Remaining Operational
Despite the widespread closures, several critical functions will continue uninterrupted. The 911 Dispatch center, the Pennington County Jail, the Juvenile Services Center, the Care Campus, and all other public‑safety operations remain fully staffed and capable of responding to emergencies. County leaders emphasized that protecting residents’ safety is the top priority, and these services have been deemed essential enough to maintain normal operations even amid the cyber response.
Continued Court and Voting Activities
Court proceedings, the 24/7 Program, and early voting at the Pennington County Auditor’s Office are also slated to proceed as scheduled on Monday, from 7 a.m. to 4 p.m. Officials confirmed that the necessary infrastructure supporting these services is either isolated from the compromised network segments or has sufficient redundancy to ensure uninterrupted access. Voters who wish to cast their ballots early can do so without disruption, and individuals with court appearances should plan to attend as usual.
Alternative Options for Vehicle Registration
Residents needing to complete vehicle‑registration transactions are directed to use South Dakota’s online registration portal or the self‑service kiosks available at various locations throughout the county. These alternatives bypass the county’s internal systems that may be affected by the incident, allowing the public to fulfill registration requirements without visiting closed offices. The county has assured the public that these external platforms remain secure and operational.
Investigation Partners and Ongoing Efforts
Pennington County is not tackling the cybersecurity challenge alone. The county is working closely with a coalition of experts, including the South Dakota National Guard Cyber Incident Response Team, the South Dakota Fusion Center, the Cybersecurity and Infrastructure Security Agency (CISA), and additional federal, state, and local partners. This collaborative approach aims to leverage specialized expertise, share threat intelligence, and coordinate a comprehensive response to identify the attack vector, mitigate any ongoing threats, and fortify defenses against future incidents.
Current Status of Information Disclosure
Because the investigation remains active, county officials have stated that they are only able to share limited, verified information at this time. They are deliberately withholding speculative details to avoid misinformation and to preserve the integrity of the investigative process. The county commits to transparency and promises to provide updates as soon as reliable data becomes available.
Scheduled Public Update
The next official communication from Pennington County is expected by 11 a.m. on Monday. This update will aim to clarify the scope of the cybersecurity incident, outline any progress made in restoring systems, and inform the public of any changes to service availability or recommended actions. Officials encourage residents to monitor the county’s website, social media channels, and local news outlets for the latest information.
Conclusion and Public Guidance
While the temporary closure of most county offices may inconvenience some residents, the measures are intended to protect critical infrastructure and ensure that essential services remain reliable. The public is advised to use online resources for non‑urgent transactions, stay informed through official channels, and follow any guidance issued by county officials as the situation develops. By maintaining a coordinated response with state and federal cybersecurity partners, Pennington County aims to resolve the incident swiftly and strengthen its network resilience moving forward.