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Cyber Incident Disrupts CUSI Utility Payment Systems

Cyber Incident Disrupts CUSI Utility Payment Systems

First seen 19 Oct 2026, 19:21 UTC • •
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ThreatCluster AI
ThreatCluster •October 19, 2026 at 20:51 UTC
  • •CUSI experienced a suspected cyber incident disrupting utility payments since October 10.
  • •Affected utilities include those in Texas, Illinois, California, and Colorado, with varying recovery timelines.
  • •Customers were forced to use cash or checks due to blocked online payment access.

A suspected cyber incident at Continental Utility Solutions Inc. (CUSI) began on October 10, 2026, disrupting utility bill payments for customers across multiple states, including Texas, Illinois, California, and Colorado. The outage blocked access to online payment portals, forcing customers to use alternative payment methods such as cash or checks. CUSI has not disclosed the cause or full scope of the incident, but affected utilities reported issues with account access and payment processing. Recovery efforts varied, with some utilities restoring services by October 12, while others continued to experience disruptions. The incident highlights vulnerabilities in third-party payment processing systems, as utilities rely on CUSI for their billing software and customer payment portals.

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Timeline

2026-10-10
CUSI outage begins
A suspected cyber incident disrupts utility bill payments, blocking access to online portals for multiple utilities.
Dysruptionhub
2026-10-12
Partial recovery reported
Culleoka Water Supply Corporation restored account access and payments, but some functions remained unavailable.
Dysruptionhub
2026-10-13
Utilities report ongoing issues
Kempner Water Supply and other utilities confirm continued disruptions and alternative payment methods.
Dysruptionhub

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Extracted Entities (6)

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Common questions

Which utilities are affected?
Utilities in Texas, Illinois, California, and Colorado are experiencing disruptions due to the CUSI incident.
What payment methods are available during the outage?
Customers are advised to use cash or checks for payments, as online access is blocked.
When will services be restored?
Recovery timelines vary by utility, with some restoring services by October 12, while others remain affected.