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Columbia, SC Faces Network Security Incident Disrupting Online Services

Columbia, SC Faces Network Security Incident Disrupting Online Services

First seen 21 Oct 2026, 16:08 UTC • •

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ThreatCluster AI
ThreatCluster •October 21, 2026 at 17:09 UTC
  • •Columbia's online services disrupted due to a network security incident.
  • •SLED is investigating the suspicious activity reported by city technology staff.
  • •Critical public safety systems remain operational despite the outage.

A network security incident in Columbia, South Carolina, disrupted access to several online municipal services on October 21, 2026. City officials reported suspicious activity on the municipal network, prompting an investigation by the South Carolina Law Enforcement Division (SLED). Affected services include business licensing, permitting, and various applications related to planning and development. Critical public safety systems, such as police and fire communications, remained operational. Officials have not confirmed whether personal information was compromised or if ransomware was involved. Restoration efforts are ongoing, but no timeline for service recovery has been provided. Residents are advised to report non-emergency service requests by phone while online services are down.

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Timeline

2026-10-21
Security incident reported
Columbia officials announced a security breach affecting multiple online applications and services.
Wistv
2026-10-21
Investigation initiated
The South Carolina Law Enforcement Division began investigating the suspicious activity detected on the municipal network.
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Common questions

What services are currently affected?
Online services for business licensing, permitting, and various city applications are disrupted.
Is personal information at risk?
Officials have not confirmed whether personal information was compromised during the incident.
How can residents report issues?
Residents can call 803-545-3300 to report concerns or request assistance while online services are down.